745566356 has 12 divisors (see below), whose sum is σ = 1306276692. Its totient is φ = 372344448.

The previous prime is 745566281. The next prime is 745566359. The reversal of 745566356 is 653665547.

It can be written as a sum of positive squares in 2 ways, for example, as 63520900 + 682045456 = 7970^2 + 26116^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 745566356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745566359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105845 + ... + 112668.

It is an arithmetic number, because the mean of its divisors is an integer number (108856391).

Almost surely, 2^745566356 is an apocalyptic number.

It is an amenable number.

745566356 is a deficient number, since it is larger than the sum of its proper divisors (560710336).

745566356 is a wasteful number, since it uses less digits than its factorization.

745566356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219370 (or 219368 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 47.

The square root of 745566356 is about 27305.0609960864. The cubic root of 745566356 is about 906.7664311957.

The spelling of 745566356 in words is "seven hundred forty-five million, five hundred sixty-six thousand, three hundred fifty-six".