427760402 has 4 divisors (see below), whose sum is σ = 641640606. Its totient is φ = 213880200.

The previous prime is 427760393. The next prime is 427760423. The reversal of 427760402 is 204067724.

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., 372837481 + 54922921 = 19309^2 + 7411^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106940099 + ... + 106940102.

Almost surely, 2^427760402 is an apocalyptic number.

427760402 is a deficient number, since it is larger than the sum of its proper divisors (213880204).

427760402 is a wasteful number, since it uses less digits than its factorization.

427760402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213880203.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 427760402 is about 20682.3693516966. The cubic root of 427760402 is about 753.4715519396.

The spelling of 427760402 in words is "four hundred twenty-seven million, seven hundred sixty thousand, four hundred two".