740415969 has 12 divisors (see below), whose sum is σ = 1077912576. Its totient is φ = 489723192.

The previous prime is 740415947. The next prime is 740415971. The reversal of 740415969 is 969514047.

It is not a de Polignac number, because 740415969 - 2⁹ = 740415457 is a prime.

It is a super-2 number, since 2×740415969² = 1096431614300417922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (740415979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 322749 + ... + 325034.

It is an arithmetic number, because the mean of its divisors is an integer number (89826048).

Almost surely, 2^740415969 is an apocalyptic number.

It is an amenable number.

740415969 is a deficient number, since it is larger than the sum of its proper divisors (337496607).

740415969 is a wasteful number, since it uses less digits than its factorization.

740415969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647916 (or 647913 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 740415969 is about 27210.5856056058. The cubic root of 740415969 is about 904.6736179477.

The spelling of 740415969 in words is "seven hundred forty million, four hundred fifteen thousand, nine hundred sixty-nine".