747694336 has 27 divisors (see below), whose sum is σ = 1493341801. Its totient is φ = 373628416.

The previous prime is 747694319. The next prime is 747694349. The reversal of 747694336 is 633496747.

It is a happy number.

The square root of 747694336 is 27344.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 140564736 + 607129600 = 11856^2 + 24640^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 747694336.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 436650 + ... + 438358.

Almost surely, 2^747694336 is an apocalyptic number.

747694336 is the 27344-th square number.

It is an amenable number.

747694336 is a deficient number, since it is larger than the sum of its proper divisors (745647465).

747694336 is an frugal number, since it uses more digits than its factorization.

747694336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3434 (or 1711 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 49.

The cubic root of 747694336 is about 907.6283030378.

Multiplying 747694336 by its sum of digits (49), we get a square (36637022464 = 191408²).

The spelling of 747694336 in words is "seven hundred forty-seven million, six hundred ninety-four thousand, three hundred thirty-six".