740257564 has 12 divisors (see below), whose sum is σ = 1295749000. Its totient is φ = 370043568.

The previous prime is 740257559. The next prime is 740257577. The reversal of 740257564 is 465752047.

It is a super-2 number, since 2×740257564² = 1095962522118428192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 787 + ... + 38485.

Almost surely, 2^740257564 is an apocalyptic number.

It is an amenable number.

740257564 is a deficient number, since it is larger than the sum of its proper divisors (555491436).

740257564 is a wasteful number, since it uses less digits than its factorization.

740257564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42612 (or 42610 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 40.

The square root of 740257564 is about 27207.6747260768. The cubic root of 740257564 is about 904.6090978890.

The spelling of 740257564 in words is "seven hundred forty million, two hundred fifty-seven thousand, five hundred sixty-four".