672646272 has 32 divisors (see below), whose sum is σ = 1786717680. Its totient is φ = 224215296.

The previous prime is 672646237. The next prime is 672646283. The reversal of 672646272 is 272646276.

It is a tau number, because it is divible by the number of its divisors (32).

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, 875458 + ... + 876225.

Almost surely, 2^672646272 is an apocalyptic number.

It is an amenable number.

672646272 is an abundant number, since it is smaller than the sum of its proper divisors (1114071408).

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

672646272 is a wasteful number, since it uses less digits than its factorization.

672646272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751700 (or 1751688 counting only the distinct ones).

The product of its digits is 338688, while the sum is 42.

The square root of 672646272 is about 25935.4250398948. The cubic root of 672646272 is about 876.1845277539.

It can be divided in two parts, 67264 and 6272, that added together give a triangular number (73536 = T₃₈₃).

The spelling of 672646272 in words is "six hundred seventy-two million, six hundred forty-six thousand, two hundred seventy-two".