427427674 has 4 divisors (see below), whose sum is σ = 641141514. Its totient is φ = 213713836.

The previous prime is 427427593. The next prime is 427427677. The reversal of 427427674 is 476724724.

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 only one way, i.e., 420537049 + 6890625 = 20507^2 + 2625^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 427427674.

It is not an unprimeable number, because it can be changed into a prime (427427677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106856917 + ... + 106856920.

Almost surely, 2^427427674 is an apocalyptic number.

427427674 is a deficient number, since it is larger than the sum of its proper divisors (213713840).

427427674 is a wasteful number, since it uses less digits than its factorization.

427427674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213713839.

The product of its digits is 526848, while the sum is 43.

The square root of 427427674 is about 20674.3240276436. The cubic root of 427427674 is about 753.2761418369.

The spelling of 427427674 in words is "four hundred twenty-seven million, four hundred twenty-seven thousand, six hundred seventy-four".