672431100 has 72 divisors (see below), whose sum is σ = 2122447488. Its totient is φ = 163012800.

The previous prime is 672431099. The next prime is 672431117. The reversal of 672431100 is 1134276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98584 + ... + 105183.

Almost surely, 2^672431100 is an apocalyptic number.

672431100 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

672431100 is an abundant number, since it is smaller than the sum of its proper divisors (1450016388).

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

672431100 is a wasteful number, since it uses less digits than its factorization.

672431100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203795 (or 203788 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 672431100 is about 25931.2764822714. The cubic root of 672431100 is about 876.0910905881.

Adding to 672431100 its reverse (1134276), we get a palindrome (673565376).

The spelling of 672431100 in words is "six hundred seventy-two million, four hundred thirty-one thousand, one hundred".