972242590 has 16 divisors (see below), whose sum is σ = 1909131120. Its totient is φ = 353542720.

The previous prime is 972242573. The next prime is 972242627. The reversal of 972242590 is 95242279.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4419175 + ... + 4419394.

It is an arithmetic number, because the mean of its divisors is an integer number (119320695).

Almost surely, 2^972242590 is an apocalyptic number.

972242590 is a deficient number, since it is larger than the sum of its proper divisors (936888530).

972242590 is a wasteful number, since it uses less digits than its factorization.

972242590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8838587.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 972242590 is about 31180.8048324606. The cubic root of 972242590 is about 990.6605767159.

The spelling of 972242590 in words is "nine hundred seventy-two million, two hundred forty-two thousand, five hundred ninety".