427727402 has 4 divisors (see below), whose sum is σ = 641591106. Its totient is φ = 213863700.

The previous prime is 427727387. The next prime is 427727423. The reversal of 427727402 is 204727724.

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., 427207561 + 519841 = 20669^2 + 721^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106931849 + ... + 106931852.

Almost surely, 2^427727402 is an apocalyptic number.

427727402 is a deficient number, since it is larger than the sum of its proper divisors (213863704).

427727402 is a wasteful number, since it uses less digits than its factorization.

427727402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213863703.

The product of its (nonzero) digits is 43904, while the sum is 35.

The square root of 427727402 is about 20681.5715553727. The cubic root of 427727402 is about 753.4521756715.

The spelling of 427727402 in words is "four hundred twenty-seven million, seven hundred twenty-seven thousand, four hundred two".