670764032 has 22 divisors (see below), whose sum is σ = 1340875068. Its totient is φ = 335381504.

The previous prime is 670764013. The next prime is 670764037. The reversal of 670764032 is 230467076.

It is a junction number, because it is equal to n+sod(n) for n = 670763983 and 670764001.

It is not an unprimeable number, because it can be changed into a prime (670764037) 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 as a sum of consecutive naturals, namely, 326498 + ... + 328545.

Almost surely, 2^670764032 is an apocalyptic number.

It is an amenable number.

670764032 is a deficient number, since it is larger than the sum of its proper divisors (670111036).

670764032 is an equidigital number, since it uses as much as digits as its factorization.

670764032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655063 (or 655045 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 670764032 is about 25899.1125716693. The cubic root of 670764032 is about 875.3664998553.

The spelling of 670764032 in words is "six hundred seventy million, seven hundred sixty-four thousand, thirty-two".