974720061 has 40 divisors (see below), whose sum is σ = 1692335040. Its totient is φ = 547523712.

The previous prime is 974720057. The next prime is 974720077. The reversal of 974720061 is 160027479.

It is a happy number.

It is not a de Polignac number, because 974720061 - 2² = 974720057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 974719998 and 974720025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (974720081) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18885 + ... + 48021.

It is an arithmetic number, because the mean of its divisors is an integer number (42308376).

Almost surely, 2^974720061 is an apocalyptic number.

It is an amenable number.

974720061 is a deficient number, since it is larger than the sum of its proper divisors (717614979).

974720061 is a wasteful number, since it uses less digits than its factorization.

974720061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29215 (or 29206 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 974720061 is about 31220.5070586626. The cubic root of 974720061 is about 991.5013309024.

The spelling of 974720061 in words is "nine hundred seventy-four million, seven hundred twenty thousand, sixty-one".