427674138 has 32 divisors (see below), whose sum is σ = 861719040. Its totient is φ = 141501360.

The previous prime is 427674061. The next prime is 427674179. The reversal of 427674138 is 831476724.

It is a self number, because there is not a number n which added to its sum of digits gives 427674138.

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, 781581 + ... + 782127.

It is an arithmetic number, because the mean of its divisors is an integer number (26928720).

Almost surely, 2^427674138 is an apocalyptic number.

427674138 is an abundant number, since it is smaller than the sum of its proper divisors (434044902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427674138 is a wasteful number, since it uses less digits than its factorization.

427674138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282.

The product of its digits is 225792, while the sum is 42.

The square root of 427674138 is about 20680.2837988264. The cubic root of 427674138 is about 753.4208990980.

The spelling of 427674138 in words is "four hundred twenty-seven million, six hundred seventy-four thousand, one hundred thirty-eight".