871045474 has 32 divisors (see below), whose sum is σ = 1436376816. Its totient is φ = 393707520.

The previous prime is 871045433. The next prime is 871045523. The reversal of 871045474 is 474540178.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 93026025 + 778019449 = 9645^2 + 27893^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406534 + ... + 408670.

Almost surely, 2^871045474 is an apocalyptic number.

871045474 is a deficient number, since it is larger than the sum of its proper divisors (565331342).

871045474 is a wasteful number, since it uses less digits than its factorization.

871045474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470.

The product of its (nonzero) digits is 125440, while the sum is 40.

The square root of 871045474 is about 29513.4795305467. The cubic root of 871045474 is about 955.0225131065.

The spelling of 871045474 in words is "eight hundred seventy-one million, forty-five thousand, four hundred seventy-four".