620789832 has 80 divisors (see below), whose sum is σ = 1872564540. Its totient is φ = 191009664.

The previous prime is 620789809. The next prime is 620789879. The reversal of 620789832 is 238987026.

It can be written as a sum of positive squares in 2 ways, for example, as 575712036 + 45077796 = 23994^2 + 6714^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 28423 + ... + 45270.

Almost surely, 2^620789832 is an apocalyptic number.

It is an amenable number.

620789832 is an abundant number, since it is smaller than the sum of its proper divisors (1251774708).

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

620789832 is a wasteful number, since it uses less digits than its factorization.

620789832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73724 (or 73711 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 620789832 is about 24915.6543562476. The cubic root of 620789832 is about 853.0638367454.

The spelling of 620789832 in words is "six hundred twenty million, seven hundred eighty-nine thousand, eight hundred thirty-two".