974250909 has 56 divisors (see below), whose sum is σ = 1561328640. Its totient is φ = 605501568.

The previous prime is 974250887. The next prime is 974250917. The reversal of 974250909 is 909052479.

It is not a de Polignac number, because 974250909 - 2⁹ = 974250397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (974250209) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1573602 + ... + 1574220.

Almost surely, 2^974250909 is an apocalyptic number.

It is an amenable number.

974250909 is a deficient number, since it is larger than the sum of its proper divisors (587077731).

974250909 is a wasteful number, since it uses less digits than its factorization.

974250909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781 (or 766 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 974250909 is about 31212.9926312746. The cubic root of 974250909 is about 991.3422289879.

The spelling of 974250909 in words is "nine hundred seventy-four million, two hundred fifty thousand, nine hundred nine".