740407569 has 32 divisors (see below), whose sum is σ = 1105548288. Its totient is φ = 436968000.

The previous prime is 740407567. The next prime is 740407589. The reversal of 740407569 is 965704047.

It is not a de Polignac number, because 740407569 - 2¹ = 740407567 is a prime.

It is a super-2 number, since 2×740407569² = 1096406736464979522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 740407569.

It is not an unprimeable number, because it can be changed into a prime (740407567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205554 + ... + 209124.

It is an arithmetic number, because the mean of its divisors is an integer number (34548384).

Almost surely, 2^740407569 is an apocalyptic number.

It is an amenable number.

740407569 is a deficient number, since it is larger than the sum of its proper divisors (365140719).

740407569 is a wasteful number, since it uses less digits than its factorization.

740407569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3749.

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

The square root of 740407569 is about 27210.4312534734. The cubic root of 740407569 is about 904.6701967685.

The spelling of 740407569 in words is "seven hundred forty million, four hundred seven thousand, five hundred sixty-nine".