670056672 has 48 divisors (see below), whose sum is σ = 1765653120. Its totient is φ = 222494592.

The previous prime is 670056623. The next prime is 670056731. The reversal of 670056672 is 276650076.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 670056672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11979 + ... + 38517.

It is an arithmetic number, because the mean of its divisors is an integer number (36784440).

Almost surely, 2^670056672 is an apocalyptic number.

It is an amenable number.

670056672 is an abundant number, since it is smaller than the sum of its proper divisors (1095596448).

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

670056672 is a wasteful number, since it uses less digits than its factorization.

670056672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26815 (or 26807 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 670056672 is about 25885.4529031269. The cubic root of 670056672 is about 875.0586831935.

The spelling of 670056672 in words is "six hundred seventy million, fifty-six thousand, six hundred seventy-two".