745659477 has 12 divisors (see below), whose sum is σ = 1077354720. Its totient is φ = 496972008.

The previous prime is 745659463. The next prime is 745659479. The reversal of 745659477 is 774956547.

745659477 is a `hidden beast` number, since 7 + 4 + 565 + 9 + 4 + 77 = 666.

It is not a de Polignac number, because 745659477 - 2⁷ = 745659349 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745659479) 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, 33258 + ... + 50964.

It is an arithmetic number, because the mean of its divisors is an integer number (89779560).

Almost surely, 2^745659477 is an apocalyptic number.

It is an amenable number.

745659477 is a deficient number, since it is larger than the sum of its proper divisors (331695243).

745659477 is a wasteful number, since it uses less digits than its factorization.

745659477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22392 (or 22389 counting only the distinct ones).

The product of its digits is 7408800, while the sum is 54.

The square root of 745659477 is about 27306.7661395486. The cubic root of 745659477 is about 906.8041812368.

The spelling of 745659477 in words is "seven hundred forty-five million, six hundred fifty-nine thousand, four hundred seventy-seven".