670403704 has 24 divisors (see below), whose sum is σ = 1335302640. Its totient is φ = 315483008.

The previous prime is 670403693. The next prime is 670403707. The reversal of 670403704 is 407304076.

It is a super-2 number, since 2×670403704² = 898882252673839232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670403707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 142672 + ... + 147295.

It is an arithmetic number, because the mean of its divisors is an integer number (55637610).

Almost surely, 2^670403704 is an apocalyptic number.

It is an amenable number.

670403704 is a deficient number, since it is larger than the sum of its proper divisors (664898936).

670403704 is a wasteful number, since it uses less digits than its factorization.

670403704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290007 (or 289986 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 670403704 is about 25892.1552598466. The cubic root of 670403704 is about 875.2097256188.

The spelling of 670403704 in words is "six hundred seventy million, four hundred three thousand, seven hundred four".