6456172074 has 24 divisors (see below), whose sum is σ = 14192908800. Its totient is φ = 1956415560.

The previous prime is 6456172057. The next prime is 6456172087. The reversal of 6456172074 is 4702716546.

It is a super-2 number, since 2×6456172074² = 83364315698194922952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4445674 + ... + 4447125.

It is an arithmetic number, because the mean of its divisors is an integer number (591371200).

Almost surely, 2^6456172074 is an apocalyptic number.

6456172074 is an abundant number, since it is smaller than the sum of its proper divisors (7736736726).

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

6456172074 is a wasteful number, since it uses less digits than its factorization.

6456172074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8892826 (or 8892815 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 6456172074 is about 80350.3084872734. The cubic root of 6456172074 is about 1862.0515454624.

The spelling of 6456172074 in words is "six billion, four hundred fifty-six million, one hundred seventy-two thousand, seventy-four".