7628432920 has 32 divisors (see below), whose sum is σ = 17170729920. Its totient is φ = 3050172160.

The previous prime is 7628432909. The next prime is 7628432947. The reversal of 7628432920 is 292348267.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69105 + ... + 141535.

It is an arithmetic number, because the mean of its divisors is an integer number (536585310).

Almost surely, 2^7628432920 is an apocalyptic number.

It is an amenable number.

7628432920 is an abundant number, since it is smaller than the sum of its proper divisors (9542297000).

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

7628432920 is a wasteful number, since it uses less digits than its factorization.

7628432920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75075 (or 75071 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 7628432920 is about 87340.9006136300. The cubic root of 7628432920 is about 1968.5439282151.

The spelling of 7628432920 in words is "seven billion, six hundred twenty-eight million, four hundred thirty-two thousand, nine hundred twenty".