974571321 has 8 divisors (see below), whose sum is σ = 1312294464. Its totient is φ = 643281200.

The previous prime is 974571287. The next prime is 974571343. The reversal of 974571321 is 123175479.

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

It is a cyclic number.

It is not a de Polignac number, because 974571321 - 2¹⁷ = 974440249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 974571321.

It is not an unprimeable number, because it can be changed into a prime (974571371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1607901 + ... + 1608506.

It is an arithmetic number, because the mean of its divisors is an integer number (164036808).

Almost surely, 2^974571321 is an apocalyptic number.

It is an amenable number.

974571321 is a deficient number, since it is larger than the sum of its proper divisors (337723143).

974571321 is a wasteful number, since it uses less digits than its factorization.

974571321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216511.

The product of its digits is 52920, while the sum is 39.

The square root of 974571321 is about 31218.1248796272. The cubic root of 974571321 is about 991.4508947427.

The spelling of 974571321 in words is "nine hundred seventy-four million, five hundred seventy-one thousand, three hundred twenty-one".