620073232 has 40 divisors (see below), whose sum is σ = 1306463256. Its totient is φ = 283908096.

The previous prime is 620073211. The next prime is 620073241. The reversal of 620073232 is 232370026.

It can be written as a sum of positive squares in 4 ways, for example, as 89415936 + 530657296 = 9456^2 + 23036^2 .

It is a junction number, because it is equal to n+sod(n) for n = 620073197 and 620073206.

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, 20743 + ... + 40870.

Almost surely, 2^620073232 is an apocalyptic number.

It is an amenable number.

620073232 is an abundant number, since it is smaller than the sum of its proper divisors (686390024).

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

620073232 is a wasteful number, since it uses less digits than its factorization.

620073232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61675 (or 61669 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 620073232 is about 24901.2696865039. The cubic root of 620073232 is about 852.7354696222.

The spelling of 620073232 in words is "six hundred twenty million, seventy-three thousand, two hundred thirty-two".