672057100 has 72 divisors (see below), whose sum is σ = 1713359088. Its totient is φ = 225580800.

The previous prime is 672056989. The next prime is 672057109. The reversal of 672057100 is 1750276.

It is not an unprimeable number, because it can be changed into a prime (672057109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9199 + ... + 37798.

It is an arithmetic number, because the mean of its divisors is an integer number (23796654).

Almost surely, 2^672057100 is an apocalyptic number.

It is an amenable number.

672057100 is an abundant number, since it is smaller than the sum of its proper divisors (1041301988).

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

672057100 is a wasteful number, since it uses less digits than its factorization.

672057100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47035 (or 47028 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 672057100 is about 25924.0641103975. The cubic root of 672057100 is about 875.9286358606.

It can be divided in two parts, 67205 and 7100, that added together give a triangular number (74305 = T₃₈₅).

The spelling of 672057100 in words is "six hundred seventy-two million, fifty-seven thousand, one hundred".