974641477 has 4 divisors (see below), whose sum is σ = 975218860. Its totient is φ = 974064096.

The previous prime is 974641453. The next prime is 974641487. The reversal of 974641477 is 774146479.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 107868996 + 866772481 = 10386^2 + 29441^2 .

It is a cyclic number.

It is not a de Polignac number, because 974641477 - 2¹⁵ = 974608709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 974641477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (974641417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286152 + ... + 289537.

It is an arithmetic number, because the mean of its divisors is an integer number (243804715).

Almost surely, 2^974641477 is an apocalyptic number.

It is an amenable number.

974641477 is a deficient number, since it is larger than the sum of its proper divisors (577383).

974641477 is a wasteful number, since it uses less digits than its factorization.

974641477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577382.

The product of its digits is 1185408, while the sum is 49.

The square root of 974641477 is about 31219.2485015255. The cubic root of 974641477 is about 991.4746845391.

The spelling of 974641477 in words is "nine hundred seventy-four million, six hundred forty-one thousand, four hundred seventy-seven".