70256536 has 32 divisors (see below), whose sum is σ = 157098240. Its totient is φ = 28800288.

The previous prime is 70256533. The next prime is 70256569. The reversal of 70256536 is 63565207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70256533) 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, 25986 + ... + 28561.

It is an arithmetic number, because the mean of its divisors is an integer number (4909320).

Almost surely, 2^70256536 is an apocalyptic number.

It is an amenable number.

70256536 is an abundant number, since it is smaller than the sum of its proper divisors (86841704).

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

70256536 is a wasteful number, since it uses less digits than its factorization.

70256536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54583 (or 54579 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 70256536 is about 8381.9172031224. The cubic root of 70256536 is about 412.6313724201.

The spelling of 70256536 in words is "seventy million, two hundred fifty-six thousand, five hundred thirty-six".