672431130 has 48 divisors (see below), whose sum is σ = 1998082944. Its totient is φ = 153698400.

The previous prime is 672431129. The next prime is 672431183. The reversal of 672431130 is 31134276.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 672431094 and 672431103.

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, 533046 + ... + 534305.

It is an arithmetic number, because the mean of its divisors is an integer number (41626728).

Almost surely, 2^672431130 is an apocalyptic number.

672431130 is an abundant number, since it is smaller than the sum of its proper divisors (1325651814).

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

672431130 is a wasteful number, since it uses less digits than its factorization.

672431130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067371 (or 1067368 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 672431130 is about 25931.2770607234. The cubic root of 672431130 is about 876.0911036168.

The spelling of 672431130 in words is "six hundred seventy-two million, four hundred thirty-one thousand, one hundred thirty".