6370640172 has 48 divisors (see below), whose sum is σ = 17786976480. Its totient is φ = 1960196544.

The previous prime is 6370640161. The next prime is 6370640201. The reversal of 6370640172 is 2710460736.

6370640172 is a `hidden beast` number, since 6 + 3 + 7 + 0 + 640 + 1 + 7 + 2 = 666.

It is a super-2 number, since 2×6370640172² = 81170112402200379168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 2267343 + ... + 2270150.

It is an arithmetic number, because the mean of its divisors is an integer number (370562010).

Almost surely, 2^6370640172 is an apocalyptic number.

It is an amenable number.

6370640172 is an abundant number, since it is smaller than the sum of its proper divisors (11416336308).

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

6370640172 is a wasteful number, since it uses less digits than its factorization.

6370640172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4537519 (or 4537511 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 6370640172 is about 79816.2901418000. The cubic root of 6370640172 is about 1853.7920923950.

The spelling of 6370640172 in words is "six billion, three hundred seventy million, six hundred forty thousand, one hundred seventy-two".