650497074 has 16 divisors (see below), whose sum is σ = 1336156608. Its totient is φ = 210971952.

The previous prime is 650497049. The next prime is 650497079. The reversal of 650497074 is 470794056.

It is a super-2 number, since 2×650497074² = 846292886565122952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (650497079) 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, 1464862 + ... + 1465305.

It is an arithmetic number, because the mean of its divisors is an integer number (83509788).

Almost surely, 2^650497074 is an apocalyptic number.

650497074 is an abundant number, since it is smaller than the sum of its proper divisors (685659534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

650497074 is a wasteful number, since it uses less digits than its factorization.

650497074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2930209.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 650497074 is about 25504.8441281259. The cubic root of 650497074 is about 866.4598618657.

The spelling of 650497074 in words is "six hundred fifty million, four hundred ninety-seven thousand, seventy-four".