670624755 has 16 divisors (see below), whose sum is σ = 1136117664. Its totient is φ = 336627200.

The previous prime is 670624733. The next prime is 670624783. The reversal of 670624755 is 557426076.

It is not a de Polignac number, because 670624755 - 2⁹ = 670624243 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1314696 + ... + 1315205.

It is an arithmetic number, because the mean of its divisors is an integer number (71007354).

Almost surely, 2^670624755 is an apocalyptic number.

670624755 is a deficient number, since it is larger than the sum of its proper divisors (465492909).

670624755 is a wasteful number, since it uses less digits than its factorization.

670624755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2629926.

The product of its (nonzero) digits is 352800, while the sum is 42.

The square root of 670624755 is about 25896.4235947746. The cubic root of 670624755 is about 875.3059088210.

It can be divided in two parts, 67062 and 4755, that added together give a palindrome (71817).

The spelling of 670624755 in words is "six hundred seventy million, six hundred twenty-four thousand, seven hundred fifty-five".