672162736 has 20 divisors (see below), whose sum is σ = 1488360592. Its totient is φ = 288069696.

The previous prime is 672162727. The next prime is 672162749. The reversal of 672162736 is 637261276.

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, 3000615 + ... + 3000838.

Almost surely, 2^672162736 is an apocalyptic number.

It is an amenable number.

672162736 is an abundant number, since it is smaller than the sum of its proper divisors (816197856).

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

672162736 is a wasteful number, since it uses less digits than its factorization.

672162736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6001468 (or 6001462 counting only the distinct ones).

The product of its digits is 127008, while the sum is 40.

The square root of 672162736 is about 25926.1014423688. The cubic root of 672162736 is about 875.9745271743.

The spelling of 672162736 in words is "six hundred seventy-two million, one hundred sixty-two thousand, seven hundred thirty-six".