70157703528 has 640 divisors, whose sum is σ = 238862131200. Its totient is φ = 18988992000.

The previous prime is 70157703449. The next prime is 70157703617. The reversal of 70157703528 is 82530775107.

70157703528 is a `hidden beast` number, since 7 + 0 + 1 + 57 + 70 + 3 + 528 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 314608425 + ... + 314608647.

It is an arithmetic number, because the mean of its divisors is an integer number (373222080).

Almost surely, 2^70157703528 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 70157703528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119431065600).

70157703528 is an abundant number, since it is smaller than the sum of its proper divisors (168704427672).

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

70157703528 is a wasteful number, since it uses less digits than its factorization.

70157703528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 411600, while the sum is 45.

The spelling of 70157703528 in words is "seventy billion, one hundred fifty-seven million, seven hundred three thousand, five hundred twenty-eight".