70455421256 has 32 divisors (see below), whose sum is σ = 144674160480. Its totient is φ = 31900569600.

The previous prime is 70455421247. The next prime is 70455421259. The reversal of 70455421256 is 65212455407.

It is not an unprimeable number, because it can be changed into a prime (70455421259) 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, 1535030 + ... + 1580261.

It is an arithmetic number, because the mean of its divisors is an integer number (4521067515).

Almost surely, 2^70455421256 is an apocalyptic number.

It is an amenable number.

70455421256 is an abundant number, since it is smaller than the sum of its proper divisors (74218739224).

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

70455421256 is a wasteful number, since it uses less digits than its factorization.

70455421256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3115565 (or 3115561 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 41.

The spelling of 70455421256 in words is "seventy billion, four hundred fifty-five million, four hundred twenty-one thousand, two hundred fifty-six".