672520052 has 12 divisors (see below), whose sum is σ = 1178461956. Its totient is φ = 335816640.

The previous prime is 672520031. The next prime is 672520061. The reversal of 672520052 is 250025276.

672520052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 81252196 + 591267856 = 9014^2 + 24316^2 .

It is a junction number, because it is equal to n+sod(n) for n = 672519997 and 672520024.

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, 107423 + ... + 113510.

It is an arithmetic number, because the mean of its divisors is an integer number (98205163).

Almost surely, 2^672520052 is an apocalyptic number.

It is an amenable number.

672520052 is a deficient number, since it is larger than the sum of its proper divisors (505941904).

672520052 is a wasteful number, since it uses less digits than its factorization.

672520052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221698 (or 221696 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 672520052 is about 25932.9915744405. The cubic root of 672520052 is about 876.1297198834.

The spelling of 672520052 in words is "six hundred seventy-two million, five hundred twenty thousand, fifty-two".