672770928 has 40 divisors (see below), whose sum is σ = 1794059776. Its totient is φ = 217022400.

The previous prime is 672770921. The next prime is 672770929. The reversal of 672770928 is 829077276.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672770921) by changing a digit.

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, 224578 + ... + 227553.

Almost surely, 2^672770928 is an apocalyptic number.

It is an amenable number.

672770928 is an abundant number, since it is smaller than the sum of its proper divisors (1121288848).

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

672770928 is a wasteful number, since it uses less digits than its factorization.

672770928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452173 (or 452167 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 48.

The square root of 672770928 is about 25937.8281280450. The cubic root of 672770928 is about 876.2386497675.

The spelling of 672770928 in words is "six hundred seventy-two million, seven hundred seventy thousand, nine hundred twenty-eight".