745688922 has 32 divisors (see below), whose sum is σ = 1628061120. Its totient is φ = 225813120.

The previous prime is 745688899. The next prime is 745688939. The reversal of 745688922 is 229886547.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128704 + ... + 134372.

It is an arithmetic number, because the mean of its divisors is an integer number (50876910).

Almost surely, 2^745688922 is an apocalyptic number.

745688922 is an abundant number, since it is smaller than the sum of its proper divisors (882372198).

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

745688922 is a wasteful number, since it uses less digits than its factorization.

745688922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7678.

The product of its digits is 1935360, while the sum is 51.

The square root of 745688922 is about 27307.3052863149. The cubic root of 745688922 is about 906.8161172024.

The spelling of 745688922 in words is "seven hundred forty-five million, six hundred eighty-eight thousand, nine hundred twenty-two".