672117152 has 24 divisors (see below), whose sum is σ = 1512264096. Its totient is φ = 288050112.

The previous prime is 672117091. The next prime is 672117161. The reversal of 672117152 is 251711276.

It is a super-2 number, since 2×672117152² = 903482932025182208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (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, 1500038 + ... + 1500485.

It is an arithmetic number, because the mean of its divisors is an integer number (63011004).

Almost surely, 2^672117152 is an apocalyptic number.

It is an amenable number.

672117152 is an abundant number, since it is smaller than the sum of its proper divisors (840146944).

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

672117152 is a wasteful number, since it uses less digits than its factorization.

672117152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000540 (or 3000532 counting only the distinct ones).

The product of its digits is 5880, while the sum is 32.

The square root of 672117152 is about 25925.2223134152. Note that the first 3 decimals coincide. The cubic root of 672117152 is about 875.9547247647.

The spelling of 672117152 in words is "six hundred seventy-two million, one hundred seventeen thousand, one hundred fifty-two".