672663772 has 24 divisors (see below), whose sum is σ = 1286675712. Its totient is φ = 305161200.

The previous prime is 672663767. The next prime is 672663793. The reversal of 672663772 is 277366276.

It is a super-2 number, since 2×672663772² = 904953100322535968, which contains 22 as substring.

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, 8397 + ... + 37627.

It is an arithmetic number, because the mean of its divisors is an integer number (53611488).

Almost surely, 2^672663772 is an apocalyptic number.

It is an amenable number.

672663772 is a deficient number, since it is larger than the sum of its proper divisors (614011940).

672663772 is a wasteful number, since it uses less digits than its factorization.

672663772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29769 (or 29767 counting only the distinct ones).

The product of its digits is 889056, while the sum is 46.

The square root of 672663772 is about 25935.7624140876. The cubic root of 672663772 is about 876.1921261489.

It can be divided in two parts, 67266 and 3772, that multiplied together give a palindrome (253727352).

The spelling of 672663772 in words is "six hundred seventy-two million, six hundred sixty-three thousand, seven hundred seventy-two".