647275675 has 12 divisors (see below), whose sum is σ = 807738976. Its totient is φ = 514519200.

The previous prime is 647275667. The next prime is 647275687. The reversal of 647275675 is 576572746.

It is not a de Polignac number, because 647275675 - 2³ = 647275667 is a prime.

It is a Duffinian number.

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, 78531 + ... + 86380.

Almost surely, 2^647275675 is an apocalyptic number.

647275675 is a deficient number, since it is larger than the sum of its proper divisors (160463301).

647275675 is a wasteful number, since it uses less digits than its factorization.

647275675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165078 (or 165073 counting only the distinct ones).

The product of its digits is 2469600, while the sum is 49.

The square root of 647275675 is about 25441.6130581376. The cubic root of 647275675 is about 865.0271968461.

The spelling of 647275675 in words is "six hundred forty-seven million, two hundred seventy-five thousand, six hundred seventy-five".