811343474 has 8 divisors (see below), whose sum is σ = 1249907628. Its totient is φ = 394707600.

The previous prime is 811343471. The next prime is 811343521. The reversal of 811343474 is 474343118.

It can be written as a sum of positive squares in 2 ways, for example, as 644804449 + 166539025 = 25393^2 + 12905^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (811343471) 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, 5481977 + ... + 5482124.

Almost surely, 2^811343474 is an apocalyptic number.

811343474 is a deficient number, since it is larger than the sum of its proper divisors (438564154).

811343474 is a wasteful number, since it uses less digits than its factorization.

811343474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10964140.

The product of its digits is 32256, while the sum is 35.

The square root of 811343474 is about 28484.0915951343. The cubic root of 811343474 is about 932.6848357689.

The spelling of 811343474 in words is "eight hundred eleven million, three hundred forty-three thousand, four hundred seventy-four".