672518604 has 24 divisors (see below), whose sum is σ = 1651800640. Its totient is φ = 212374224.

The previous prime is 672518593. The next prime is 672518633. The reversal of 672518604 is 406815276.

It is a super-2 number, since 2×672518604² = 904562545452217632, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1474594 + ... + 1475049.

Almost surely, 2^672518604 is an apocalyptic number.

It is an amenable number.

672518604 is an abundant number, since it is smaller than the sum of its proper divisors (979282036).

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

672518604 is a wasteful number, since it uses less digits than its factorization.

672518604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2949669 (or 2949667 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 672518604 is about 25932.9636563197. The cubic root of 672518604 is about 876.1290910860.

It can be divided in two parts, 67251 and 8604, that added together give a triangular number (75855 = T₃₈₉).

The spelling of 672518604 in words is "six hundred seventy-two million, five hundred eighteen thousand, six hundred four".