974729 has 8 divisors (see below), whose sum is σ = 1179648. Its totient is φ = 786240.

The previous prime is 974713. The next prime is 974737. The reversal of 974729 is 927479.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 974729 - 2⁴ = 974713 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 974692 and 974701.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 974729.

It is not an unprimeable number, because it can be changed into a prime (974749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3977 + ... + 4214.

It is an arithmetic number, because the mean of its divisors is an integer number (147456).

2⁹⁷⁴⁷²⁹ is an apocalyptic number.

It is an amenable number.

974729 is a deficient number, since it is larger than the sum of its proper divisors (204919).

974729 is a wasteful number, since it uses less digits than its factorization.

974729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8215.

The product of its digits is 31752, while the sum is 38.

The square root of 974729 is about 987.2836471855. The cubic root of 974729 is about 99.1504361859.

The spelling of 974729 in words is "nine hundred seventy-four thousand, seven hundred twenty-nine".