670438004 has 24 divisors (see below), whose sum is σ = 1205494080. Its totient is φ = 326128896.

The previous prime is 670437997. The next prime is 670438049. The reversal of 670438004 is 400834076.

It is a happy number.

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, 8249 + ... + 37535.

It is an arithmetic number, because the mean of its divisors is an integer number (50228920).

Almost surely, 2^670438004 is an apocalyptic number.

It is an amenable number.

670438004 is a deficient number, since it is larger than the sum of its proper divisors (535056076).

670438004 is a wasteful number, since it uses less digits than its factorization.

670438004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29447 (or 29445 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 670438004 is about 25892.8176141570. The cubic root of 670438004 is about 875.2246515415.

The spelling of 670438004 in words is "six hundred seventy million, four hundred thirty-eight thousand, four".