770000744 has 16 divisors (see below), whose sum is σ = 1458636900. Its totient is φ = 381030912.

The previous prime is 770000741. The next prime is 770000789. The reversal of 770000744 is 447000077.

It can be written as a sum of positive squares in 2 ways, for example, as 690112900 + 79887844 = 26270^2 + 8938^2 .

It is a super-2 number, since 2×770000744² = 1185802291521107072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (770000741) 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, 495359 + ... + 496910.

Almost surely, 2^770000744 is an apocalyptic number.

It is an amenable number.

770000744 is a deficient number, since it is larger than the sum of its proper divisors (688636156).

770000744 is a wasteful number, since it uses less digits than its factorization.

770000744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992372 (or 992368 counting only the distinct ones).

The product of its (nonzero) digits is 5488, while the sum is 29.

The square root of 770000744 is about 27748.8872569694. The cubic root of 770000744 is about 916.5659406385.

The spelling of 770000744 in words is "seven hundred seventy million, seven hundred forty-four", and thus it is an aban number.