672729088 has 24 divisors (see below), whose sum is σ = 1345133790. Its totient is φ = 336363520.

The previous prime is 672729073. The next prime is 672729097. The reversal of 672729088 is 880927276.

It can be written as a sum of positive squares in only one way, i.e., 593019904 + 79709184 = 24352^2 + 8928^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162193 + ... + 166288.

Almost surely, 2^672729088 is an apocalyptic number.

It is an amenable number.

672729088 is a deficient number, since it is larger than the sum of its proper divisors (672404702).

672729088 is an equidigital number, since it uses as much as digits as its factorization.

672729088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328503 (or 328483 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 672729088 is about 25937.0215714912. The cubic root of 672729088 is about 876.2204848005.

The spelling of 672729088 in words is "six hundred seventy-two million, seven hundred twenty-nine thousand, eighty-eight".