744722516 has 6 divisors (see below), whose sum is σ = 1303264410. Its totient is φ = 372361256.

The previous prime is 744722513. The next prime is 744722611. The reversal of 744722516 is 615227447.

It can be written as a sum of positive squares in only one way, i.e., 520022416 + 224700100 = 22804^2 + 14990^2 .

It is a super-2 number, since 2×744722516² = 1109223251674740512, 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 744722516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744722513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93090311 + ... + 93090318.

It is an arithmetic number, because the mean of its divisors is an integer number (217210735).

Almost surely, 2^744722516 is an apocalyptic number.

It is an amenable number.

744722516 is a deficient number, since it is larger than the sum of its proper divisors (558541894).

744722516 is a wasteful number, since it uses less digits than its factorization.

744722516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186180633 (or 186180631 counting only the distinct ones).

The product of its digits is 94080, while the sum is 38.

The square root of 744722516 is about 27289.6045409236. The cubic root of 744722516 is about 906.4242060604.

The spelling of 744722516 in words is "seven hundred forty-four million, seven hundred twenty-two thousand, five hundred sixteen".