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7475074420 = 22511174353877
BaseRepresentation
bin1101111011000110…
…01001010101110100
3201021221200010101011
412331203021111310
5110302104340140
63233424442004
7353145040612
oct67543112564
921257603334
107475074420
113196537060
121547479304
13921871978
1450caa46b2
152db3abcea
hex1bd8c9574

7475074420 has 192 divisors, whose sum is σ = 18925353216. Its totient is φ = 2448875520.

The previous prime is 7475074393. The next prime is 7475074421. The reversal of 7475074420 is 244705747.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7475074421) 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, 8523022 + ... + 8523898.

It is an arithmetic number, because the mean of its divisors is an integer number (98569548).

Almost surely, 27475074420 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 7475074420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9462676608).

7475074420 is an abundant number, since it is smaller than the sum of its proper divisors (11450278796).

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

7475074420 is a wasteful number, since it uses less digits than its factorization.

7475074420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010 (or 1008 counting only the distinct ones).

The product of its (nonzero) digits is 219520, while the sum is 40.

The square root of 7475074420 is about 86458.5127098541. The cubic root of 7475074420 is about 1955.2629617741.

The spelling of 7475074420 in words is "seven billion, four hundred seventy-five million, seventy-four thousand, four hundred twenty".