774472388 has 6 divisors (see below), whose sum is σ = 1355326686. Its totient is φ = 387236192.

The previous prime is 774472381. The next prime is 774472427. The reversal of 774472388 is 883274477.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 684450244 + 90022144 = 26162^2 + 9488^2 .

It is not an unprimeable number, because it can be changed into a prime (774472381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96809045 + ... + 96809052.

It is an arithmetic number, because the mean of its divisors is an integer number (225887781).

Almost surely, 2^774472388 is an apocalyptic number.

It is an amenable number.

774472388 is a deficient number, since it is larger than the sum of its proper divisors (580854298).

774472388 is a wasteful number, since it uses less digits than its factorization.

774472388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193618101 (or 193618099 counting only the distinct ones).

The product of its digits is 2107392, while the sum is 50.

The square root of 774472388 is about 27829.3440095163. The cubic root of 774472388 is about 918.3367823062.

The spelling of 774472388 in words is "seven hundred seventy-four million, four hundred seventy-two thousand, three hundred eighty-eight".