672887380 has 24 divisors (see below), whose sum is σ = 1541524320. Its totient is φ = 244686240.

The previous prime is 672887357. The next prime is 672887407. The reversal of 672887380 is 83788276.

It is a congruent number.

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, 1529070 + ... + 1529509.

It is an arithmetic number, because the mean of its divisors is an integer number (64230180).

Almost surely, 2^672887380 is an apocalyptic number.

It is an amenable number.

672887380 is an abundant number, since it is smaller than the sum of its proper divisors (868636940).

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

672887380 is a wasteful number, since it uses less digits than its factorization.

672887380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058599 (or 3058597 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 49.

The square root of 672887380 is about 25940.0728603449. The cubic root of 672887380 is about 876.2892038032.

The spelling of 672887380 in words is "six hundred seventy-two million, eight hundred eighty-seven thousand, three hundred eighty".