974756461 has 6 divisors (see below), whose sum is σ = 1133900430. Its totient is φ = 835505496.

The previous prime is 974756429. The next prime is 974756473. The reversal of 974756461 is 164657479.

It can be written as a sum of positive squares in only one way, i.e., 952956900 + 21799561 = 30870^2 + 4669^2 .

It is not a de Polignac number, because 974756461 - 2⁵ = 974756429 is a prime.

It is a super-2 number, since 2×974756461² = 1900300316522489042, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 19892989 = 974756461 / (9 + 7 + 4 + 7 + 5 + 6 + 4 + 6 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (974756161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9946446 + ... + 9946543.

It is an arithmetic number, because the mean of its divisors is an integer number (188983405).

Almost surely, 2^974756461 is an apocalyptic number.

It is an amenable number.

974756461 is a deficient number, since it is larger than the sum of its proper divisors (159143969).

974756461 is a wasteful number, since it uses less digits than its factorization.

974756461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19893003 (or 19892996 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 49.

The square root of 974756461 is about 31221.0900033935. The cubic root of 974756461 is about 991.5136729757.

The spelling of 974756461 in words is "nine hundred seventy-four million, seven hundred fifty-six thousand, four hundred sixty-one".