672914959640 has 192 divisors, whose sum is σ = 2034388340640. Its totient is φ = 197401989120.

The previous prime is 672914959609. The next prime is 672914959681. The reversal of 672914959640 is 46959419276.

It is a hoax number, since the sum of its digits (62) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 551459 + ... + 1284498.

Almost surely, 2^672914959640 is an apocalyptic number.

It is an amenable number.

672914959640 is an abundant number, since it is smaller than the sum of its proper divisors (1361473381000).

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

672914959640 is a wasteful number, since it uses less digits than its factorization.

672914959640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836010 (or 1835999 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 62.

The spelling of 672914959640 in words is "six hundred seventy-two billion, nine hundred fourteen million, nine hundred fifty-nine thousand, six hundred forty".