672556692 has 12 divisors (see below), whose sum is σ = 1569298976. Its totient is φ = 224185560.

The previous prime is 672556681. The next prime is 672556693. The reversal of 672556692 is 296655276.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672556693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28023184 + ... + 28023207.

Almost surely, 2^672556692 is an apocalyptic number.

It is an amenable number.

672556692 is an abundant number, since it is smaller than the sum of its proper divisors (896742284).

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

672556692 is a wasteful number, since it uses less digits than its factorization.

672556692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56046398 (or 56046396 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 48.

The square root of 672556692 is about 25933.6980008637. The cubic root of 672556692 is about 876.1456305912.

The spelling of 672556692 in words is "six hundred seventy-two million, five hundred fifty-six thousand, six hundred ninety-two".