672694790490 has 64 divisors (see below), whose sum is σ = 1818426153600. Its totient is φ = 176927939712.

The previous prime is 672694790483. The next prime is 672694790503. The reversal of 672694790490 is 94097496276.

672694790490 is a `hidden beast` number, since 6 + 72 + 6 + 9 + 4 + 79 + 0 + 490 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17045100 + ... + 17084519.

It is an arithmetic number, because the mean of its divisors is an integer number (28412908650).

Almost surely, 2^672694790490 is an apocalyptic number.

672694790490 is an abundant number, since it is smaller than the sum of its proper divisors (1145731363110).

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

672694790490 is a wasteful number, since it uses less digits than its factorization.

672694790490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34129708 (or 34129702 counting only the distinct ones).

The product of its (nonzero) digits is 41150592, while the sum is 63.

The spelling of 672694790490 in words is "six hundred seventy-two billion, six hundred ninety-four million, seven hundred ninety thousand, four hundred ninety".