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7390063968 = 253732971109
BaseRepresentation
bin1101110000111101…
…10110110101100000
3201002000201010221220
412320132312311200
5110113324021333
63221150415040
7351063336000
oct67036666540
921060633856
107390063968
113152553491
121522b01480
1390a078b21
14501696000
152d3bb88b3
hex1b87b6d60

7390063968 has 384 divisors, whose sum is σ = 23950080000. Its totient is φ = 1991485440.

The previous prime is 7390063963. The next prime is 7390063987. The reversal of 7390063968 is 8693600937.

It is a happy number.

It is a super-2 number, since 2×73900639682 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7390063968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7390063963) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 67798698 + ... + 67798806.

It is an arithmetic number, because the mean of its divisors is an integer number (62370000).

Almost surely, 27390063968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7390063968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11975040000).

7390063968 is an abundant number, since it is smaller than the sum of its proper divisors (16560016032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7390063968 is a wasteful number, since it uses less digits than its factorization.

7390063968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 51.

The square root of 7390063968 is about 85965.4812584679. The cubic root of 7390063968 is about 1947.8225941627.

The spelling of 7390063968 in words is "seven billion, three hundred ninety million, sixty-three thousand, nine hundred sixty-eight".