972405242 has 8 divisors (see below), whose sum is σ = 1458796500. Its totient is φ = 486139744.

The previous prime is 972405157. The next prime is 972405283. The reversal of 972405242 is 242504279.

It can be written as a sum of positive squares in 2 ways, for example, as 527574961 + 444830281 = 22969^2 + 21091^2 .

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

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, 8867 + ... + 44982.

Almost surely, 2^972405242 is an apocalyptic number.

972405242 is a deficient number, since it is larger than the sum of its proper divisors (486391258).

972405242 is a wasteful number, since it uses less digits than its factorization.

972405242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62880.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 972405242 is about 31183.4129305950. The cubic root of 972405242 is about 990.7158180521.

The spelling of 972405242 in words is "nine hundred seventy-two million, four hundred five thousand, two hundred forty-two".