670331776 has 16 divisors (see below), whose sum is σ = 1335426840. Its totient is φ = 335165824.

The previous prime is 670331749. The next prime is 670331791. The reversal of 670331776 is 677133076.

670331776 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (16).

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2618356 + ... + 2618611.

Almost surely, 2^670331776 is an apocalyptic number.

It is an amenable number.

670331776 is a deficient number, since it is larger than the sum of its proper divisors (665095064).

670331776 is an equidigital number, since it uses as much as digits as its factorization.

670331776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5236981 (or 5236969 counting only the distinct ones).

The product of its (nonzero) digits is 111132, while the sum is 40.

The square root of 670331776 is about 25890.7662304537. The cubic root of 670331776 is about 875.1784239139.

The spelling of 670331776 in words is "six hundred seventy million, three hundred thirty-one thousand, seven hundred seventy-six".