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74016740 = 2257528691
BaseRepresentation
bin1000110100101…
…10011111100100
312011021102212202
410122112133210
5122422013430
611202234032
71556063150
oct432263744
9164242782
1074016740
1138864966
1220955918
1312446bb5
149b8a060
156770d45
hex46967e4

74016740 has 24 divisors (see below), whose sum is σ = 177640512. Its totient is φ = 25377120.

The previous prime is 74016731. The next prime is 74016749. The reversal of 74016740 is 4761047.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (74016731) and next prime (74016749).

It is not an unprimeable number, because it can be changed into a prime (74016749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264206 + ... + 264485.

It is an arithmetic number, because the mean of its divisors is an integer number (7401688).

Almost surely, 274016740 is an apocalyptic number.

74016740 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

74016740 is an abundant number, since it is smaller than the sum of its proper divisors (103623772).

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

74016740 is a wasteful number, since it uses less digits than its factorization.

74016740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528707 (or 528705 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 74016740 is about 8603.2982047585. The cubic root of 74016740 is about 419.8653007202.

Adding to 74016740 its reverse (4761047), we get a palindrome (78777787).

It can be divided in two parts, 7401 and 6740, that added together give a palindrome (14141).

The spelling of 74016740 in words is "seventy-four million, sixteen thousand, seven hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 528691 1057382 2114764 2643455 3700837 5286910 7401674 10573820 14803348 18504185 37008370 74016740