71626403328 has 40 divisors (see below), whose sum is σ = 190817219208. Its totient is φ = 23875467264.

The previous prime is 71626403273. The next prime is 71626403339. The reversal of 71626403328 is 82330462617.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 71626403328.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23314351 + ... + 23317422.

Almost surely, 2^71626403328 is an apocalyptic number.

It is an amenable number.

71626403328 is an abundant number, since it is smaller than the sum of its proper divisors (119190815880).

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

71626403328 is an equidigital number, since it uses as much as digits as its factorization.

71626403328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46631794 (or 46631778 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 71626403328 in words is "seventy-one billion, six hundred twenty-six million, four hundred three thousand, three hundred twenty-eight".