740568663 has 20 divisors (see below), whose sum is σ = 1117247208. Its totient is φ = 488818800.

The previous prime is 740568611. The next prime is 740568683. The reversal of 740568663 is 366865047.

It is not a de Polignac number, because 740568663 - 2⁸ = 740568407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740568683) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 37081 + ... + 53442.

Almost surely, 2^740568663 is an apocalyptic number.

740568663 is a deficient number, since it is larger than the sum of its proper divisors (376678545).

740568663 is a wasteful number, since it uses less digits than its factorization.

740568663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90636 (or 90627 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 740568663 is about 27213.3912440181. The cubic root of 740568663 is about 904.7358031446.

The spelling of 740568663 in words is "seven hundred forty million, five hundred sixty-eight thousand, six hundred sixty-three".