974728 has 24 divisors (see below), whose sum is σ = 1899450. Its totient is φ = 468864.

The previous prime is 974713. The next prime is 974737. The reversal of 974728 is 827479.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 964324 + 10404 = 982^2 + 102^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

974728 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10908 + ... + 10996.

2⁹⁷⁴⁷²⁸ is an apocalyptic number.

It is an amenable number.

974728 is a deficient number, since it is larger than the sum of its proper divisors (924722).

974728 is a wasteful number, since it uses less digits than its factorization.

974728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 128 counting only the distinct ones).

The product of its digits is 28224, while the sum is 37.

The square root of 974728 is about 987.2831407453. The cubic root of 974728 is about 99.1504022789.

The spelling of 974728 in words is "nine hundred seventy-four thousand, seven hundred twenty-eight".