70431562320 has 320 divisors, whose sum is σ = 263527133184. Its totient is φ = 15212482560.

The previous prime is 70431562319. The next prime is 70431562339. The reversal of 70431562320 is 2326513407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3196140 + ... + 3218100.

Almost surely, 2^70431562320 is an apocalyptic number.

70431562320 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70431562320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131763566592).

70431562320 is an abundant number, since it is smaller than the sum of its proper divisors (193095570864).

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

70431562320 is a wasteful number, since it uses less digits than its factorization.

70431562320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22090 (or 22084 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The spelling of 70431562320 in words is "seventy billion, four hundred thirty-one million, five hundred sixty-two thousand, three hundred twenty".