672879544 has 32 divisors (see below), whose sum is σ = 1282050000. Its totient is φ = 331022592.

The previous prime is 672879541. The next prime is 672879551. The reversal of 672879544 is 445978276.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 672879491 and 672879500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672879541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290262 + ... + 292570.

Almost surely, 2^672879544 is an apocalyptic number.

It is an amenable number.

672879544 is a deficient number, since it is larger than the sum of its proper divisors (609170456).

672879544 is a wasteful number, since it uses less digits than its factorization.

672879544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2887 (or 2883 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 52.

The square root of 672879544 is about 25939.9218194658. The cubic root of 672879544 is about 876.2858022290.

The spelling of 672879544 in words is "six hundred seventy-two million, eight hundred seventy-nine thousand, five hundred forty-four".