648972675 has 72 divisors (see below), whose sum is σ = 1291174800. Its totient is φ = 319438080.

The previous prime is 648972659. The next prime is 648972707. The reversal of 648972675 is 576279846.

It is not a de Polignac number, because 648972675 - 2⁴ = 648972659 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 111231 + ... + 116919.

Almost surely, 2^648972675 is an apocalyptic number.

648972675 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

648972675 is a deficient number, since it is larger than the sum of its proper divisors (642202125).

648972675 is a wasteful number, since it uses less digits than its factorization.

648972675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5734 (or 5710 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The square root of 648972675 is about 25474.9421000323. The cubic root of 648972675 is about 865.7825010667.

The spelling of 648972675 in words is "six hundred forty-eight million, nine hundred seventy-two thousand, six hundred seventy-five".