670715732 has 12 divisors (see below), whose sum is σ = 1235529120. Its totient is φ = 317707416.

The previous prime is 670715711. The next prime is 670715743. The reversal of 670715732 is 237517076.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4412528 + ... + 4412679.

It is an arithmetic number, because the mean of its divisors is an integer number (102960760).

Almost surely, 2^670715732 is an apocalyptic number.

It is an amenable number.

670715732 is a deficient number, since it is larger than the sum of its proper divisors (564813388).

670715732 is a wasteful number, since it uses less digits than its factorization.

670715732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8825230 (or 8825228 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 38.

The square root of 670715732 is about 25898.1800905006. The cubic root of 670715732 is about 875.3454883844.

The spelling of 670715732 in words is "six hundred seventy million, seven hundred fifteen thousand, seven hundred thirty-two".