974721875 has 24 divisors (see below), whose sum is σ = 1228140144. Its totient is φ = 773500000.

The previous prime is 974721851. The next prime is 974721947. The reversal of 974721875 is 578127479.

It is a happy number.

It is not a de Polignac number, because 974721875 - 2⁸ = 974721619 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 408185 + ... + 410565.

It is an arithmetic number, because the mean of its divisors is an integer number (51172506).

Almost surely, 2^974721875 is an apocalyptic number.

974721875 is a deficient number, since it is larger than the sum of its proper divisors (253418269).

974721875 is an equidigital number, since it uses as much as digits as its factorization.

974721875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537 (or 2517 counting only the distinct ones).

The product of its digits is 987840, while the sum is 50.

The square root of 974721875 is about 31220.5361100670. The cubic root of 974721875 is about 991.5019459790.

It can be divided in two parts, 974 and 721875, that multiplied together give a triangular number (703106250 = T₃₇₄₉₉).

The spelling of 974721875 in words is "nine hundred seventy-four million, seven hundred twenty-one thousand, eight hundred seventy-five".