672713506 has 16 divisors (see below), whose sum is σ = 1074981600. Its totient is φ = 314813088.

The previous prime is 672713467. The next prime is 672713513. The reversal of 672713506 is 605317276.

It is a super-2 number, since 2×672713506² = 905086922309624072, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103491 + ... + 109798.

It is an arithmetic number, because the mean of its divisors is an integer number (67186350).

Almost surely, 2^672713506 is an apocalyptic number.

672713506 is a deficient number, since it is larger than the sum of its proper divisors (402268094).

672713506 is a wasteful number, since it uses less digits than its factorization.

672713506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213393.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 672713506 is about 25936.7211883075. The cubic root of 672713506 is about 876.2137196340.

The spelling of 672713506 in words is "six hundred seventy-two million, seven hundred thirteen thousand, five hundred six".