672113772 has 36 divisors (see below), whose sum is σ = 1853405736. Its totient is φ = 203670720.

The previous prime is 672113753. The next prime is 672113791. The reversal of 672113772 is 277311276.

It is an interprime number because it is at equal distance from previous prime (672113753) and next prime (672113791).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 848233 + ... + 849024.

Almost surely, 2^672113772 is an apocalyptic number.

It is an amenable number.

672113772 is an abundant number, since it is smaller than the sum of its proper divisors (1181291964).

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

672113772 is a wasteful number, since it uses less digits than its factorization.

672113772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697278 (or 1697273 counting only the distinct ones).

The product of its digits is 24696, while the sum is 36.

The square root of 672113772 is about 25925.1571258498. The cubic root of 672113772 is about 875.9532564036.

The spelling of 672113772 in words is "six hundred seventy-two million, one hundred thirteen thousand, seven hundred seventy-two".