70232902656 has 264 divisors, whose sum is σ = 219739227120. Its totient is φ = 19884146688.

The previous prime is 70232902639. The next prime is 70232902657. The reversal of 70232902656 is 65620923207.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (70232902657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17007600 + ... + 17011728.

Almost surely, 2^70232902656 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 70232902656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109869613560).

70232902656 is an abundant number, since it is smaller than the sum of its proper divisors (149506324464).

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

70232902656 is a wasteful number, since it uses less digits than its factorization.

70232902656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4279 (or 4254 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 70232902656 in words is "seventy billion, two hundred thirty-two million, nine hundred two thousand, six hundred fifty-six".