670624285 has 24 divisors (see below), whose sum is σ = 860267520. Its totient is φ = 501722208.

The previous prime is 670624243. The next prime is 670624291. The reversal of 670624285 is 582426076.

It is not a de Polignac number, because 670624285 - 2¹¹ = 670622237 is a prime.

It is a super-2 number, since 2×670624285² = 899473863263522450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140244 + ... + 144946.

It is an arithmetic number, because the mean of its divisors is an integer number (35844480).

Almost surely, 2^670624285 is an apocalyptic number.

It is an amenable number.

670624285 is a deficient number, since it is larger than the sum of its proper divisors (189643235).

670624285 is a wasteful number, since it uses less digits than its factorization.

670624285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4825 (or 4806 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 670624285 is about 25896.4145201609. The cubic root of 670624285 is about 875.3057043381.

The spelling of 670624285 in words is "six hundred seventy million, six hundred twenty-four thousand, two hundred eighty-five".