814427974 has 4 divisors (see below), whose sum is σ = 1221641964. Its totient is φ = 407213986.

The previous prime is 814427903. The next prime is 814427981. The reversal of 814427974 is 479724418.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203606992 + ... + 203606995.

It is an arithmetic number, because the mean of its divisors is an integer number (305410491).

Almost surely, 2^814427974 is an apocalyptic number.

814427974 is a deficient number, since it is larger than the sum of its proper divisors (407213990).

814427974 is a wasteful number, since it uses less digits than its factorization.

814427974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407213989.

The product of its digits is 451584, while the sum is 46.

The square root of 814427974 is about 28538.1844902580. The cubic root of 814427974 is about 933.8652763875.

The spelling of 814427974 in words is "eight hundred fourteen million, four hundred twenty-seven thousand, nine hundred seventy-four".