648318074 has 8 divisors (see below), whose sum is σ = 973227360. Its totient is φ = 323908956.

The previous prime is 648318067. The next prime is 648318127. The reversal of 648318074 is 470813846.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121784 + ... + 126995.

It is an arithmetic number, because the mean of its divisors is an integer number (121653420).

Almost surely, 2^648318074 is an apocalyptic number.

648318074 is a deficient number, since it is larger than the sum of its proper divisors (324909286).

648318074 is a wasteful number, since it uses less digits than its factorization.

648318074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250084.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 648318074 is about 25462.0909196397. The cubic root of 648318074 is about 865.4913060893.

It can be divided in two parts, 64 and 8318074, that added together give a palindrome (8318138).

The spelling of 648318074 in words is "six hundred forty-eight million, three hundred eighteen thousand, seventy-four".