648882074 has 16 divisors (see below), whose sum is σ = 992489760. Its totient is φ = 318062160.

The previous prime is 648882067. The next prime is 648882077. The reversal of 648882074 is 470288846.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (648882077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254297 + ... + 256835.

It is an arithmetic number, because the mean of its divisors is an integer number (62030610).

Almost surely, 2^648882074 is an apocalyptic number.

648882074 is a deficient number, since it is larger than the sum of its proper divisors (343607686).

648882074 is a wasteful number, since it uses less digits than its factorization.

648882074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005.

The product of its (nonzero) digits is 688128, while the sum is 47.

The square root of 648882074 is about 25473.1638003606. The cubic root of 648882074 is about 865.7422094828.

The spelling of 648882074 in words is "six hundred forty-eight million, eight hundred eighty-two thousand, seventy-four".