70289600256 has 144 divisors (see below), whose sum is σ = 220086064800. Its totient is φ = 22051602432.

The previous prime is 70289600233. The next prime is 70289600257. The reversal of 70289600256 is 65200698207.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70289600257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181591 + ... + 416598.

It is an arithmetic number, because the mean of its divisors is an integer number (1528375450).

Almost surely, 2^70289600256 is an apocalyptic number.

It is an amenable number.

70289600256 is an abundant number, since it is smaller than the sum of its proper divisors (149796464544).

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

70289600256 is a wasteful number, since it uses less digits than its factorization.

70289600256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598231 (or 598211 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 70289600256 in words is "seventy billion, two hundred eighty-nine million, six hundred thousand, two hundred fifty-six".