670653372 has 24 divisors (see below), whose sum is σ = 1572280192. Its totient is φ = 222490800.

The previous prime is 670653371. The next prime is 670653397. The reversal of 670653372 is 273356076.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 670653372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670653371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129904 + ... + 134967.

Almost surely, 2^670653372 is an apocalyptic number.

It is an amenable number.

670653372 is an abundant number, since it is smaller than the sum of its proper divisors (901626820).

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

670653372 is a wasteful number, since it uses less digits than its factorization.

670653372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265089 (or 265087 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 39.

The square root of 670653372 is about 25896.9761169137. The cubic root of 670653372 is about 875.3183590389.

The spelling of 670653372 in words is "six hundred seventy million, six hundred fifty-three thousand, three hundred seventy-two".