672881574 has 8 divisors (see below), whose sum is σ = 1345763160. Its totient is φ = 224293856.

The previous prime is 672881557. The next prime is 672881611. The reversal of 672881574 is 475188276.

672881574 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

672881574 is an admirable number.

It is a super-2 number, since 2×672881574² = 905539225257434952, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56073459 + ... + 56073470.

It is an arithmetic number, because the mean of its divisors is an integer number (168220395).

Almost surely, 2^672881574 is an apocalyptic number.

672881574 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

672881574 is a wasteful number, since it uses less digits than its factorization.

672881574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112146934.

The product of its digits is 752640, while the sum is 48.

The square root of 672881574 is about 25939.9609483129. The cubic root of 672881574 is about 876.2866834459.

The spelling of 672881574 in words is "six hundred seventy-two million, eight hundred eighty-one thousand, five hundred seventy-four".