672555957432 has 32 divisors (see below), whose sum is σ = 1687128443280. Its totient is φ = 223420179200.

The previous prime is 672555957427. The next prime is 672555957461. The reversal of 672555957432 is 234759555276.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47814069 + ... + 47828132.

Almost surely, 2^672555957432 is an apocalyptic number.

It is an amenable number.

672555957432 is an abundant number, since it is smaller than the sum of its proper divisors (1014572485848).

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

672555957432 is a wasteful number, since it uses less digits than its factorization.

672555957432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95642503 (or 95642499 counting only the distinct ones).

The product of its digits is 79380000, while the sum is 60.

The spelling of 672555957432 in words is "six hundred seventy-two billion, five hundred fifty-five million, nine hundred fifty-seven thousand, four hundred thirty-two".