672612132 has 12 divisors (see below), whose sum is σ = 1569428336. Its totient is φ = 224204040.

The previous prime is 672612121. The next prime is 672612151. The reversal of 672612132 is 231216276.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×672612132² = 904814160227170848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 672612132.

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, 28025494 + ... + 28025517.

Almost surely, 2^672612132 is an apocalyptic number.

It is an amenable number.

672612132 is an abundant number, since it is smaller than the sum of its proper divisors (896816204).

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

672612132 is a wasteful number, since it uses less digits than its factorization.

672612132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56051018 (or 56051016 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 672612132 is about 25934.7668584084. The cubic root of 672612132 is about 876.1697039913.

The spelling of 672612132 in words is "six hundred seventy-two million, six hundred twelve thousand, one hundred thirty-two".