650520074 has 4 divisors (see below), whose sum is σ = 975780114. Its totient is φ = 325260036.

The previous prime is 650520067. The next prime is 650520097. The reversal of 650520074 is 470025056.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 606390625 + 44129449 = 24625^2 + 6643^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162630017 + ... + 162630020.

Almost surely, 2^650520074 is an apocalyptic number.

650520074 is a deficient number, since it is larger than the sum of its proper divisors (325260040).

650520074 is a wasteful number, since it uses less digits than its factorization.

650520074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325260039.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 650520074 is about 25505.2950188779. The cubic root of 650520074 is about 866.4700737189.

The spelling of 650520074 in words is "six hundred fifty million, five hundred twenty thousand, seventy-four".