974747428 has 12 divisors (see below), whose sum is σ = 1806149772. Its totient is φ = 458704640.

The previous prime is 974747413. The next prime is 974747441. The reversal of 974747428 is 824747479.

974747428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 826102564 + 148644864 = 28742^2 + 12192^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7167193 + ... + 7167328.

It is an arithmetic number, because the mean of its divisors is an integer number (150512481).

Almost surely, 2^974747428 is an apocalyptic number.

It is an amenable number.

974747428 is a deficient number, since it is larger than the sum of its proper divisors (831402344).

974747428 is a wasteful number, since it uses less digits than its factorization.

974747428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14334542 (or 14334540 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 52.

The square root of 974747428 is about 31220.9453412289. The cubic root of 974747428 is about 991.5106102036.

It can be divided in two parts, 9747474 and 28, that multiplied together give a palindrome (272929272).

The spelling of 974747428 in words is "nine hundred seventy-four million, seven hundred forty-seven thousand, four hundred twenty-eight".