670255137 has 24 divisors (see below), whose sum is σ = 977835456. Its totient is φ = 442387296.

The previous prime is 670255133. The next prime is 670255171. The reversal of 670255137 is 731552076.

670255137 is a `hidden beast` number, since 6 + 70 + 2 + 551 + 37 = 666.

It is not a de Polignac number, because 670255137 - 2² = 670255133 is a prime.

It is not an unprimeable number, because it can be changed into a prime (670255133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 489628 + ... + 490994.

It is an arithmetic number, because the mean of its divisors is an integer number (40743144).

Almost surely, 2^670255137 is an apocalyptic number.

It is an amenable number.

670255137 is a deficient number, since it is larger than the sum of its proper divisors (307580319).

670255137 is a wasteful number, since it uses less digits than its factorization.

670255137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1877 (or 1874 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The square root of 670255137 is about 25889.2861431133. The cubic root of 670255137 is about 875.1450696069.

The spelling of 670255137 in words is "six hundred seventy million, two hundred fifty-five thousand, one hundred thirty-seven".