427257650 has 12 divisors (see below), whose sum is σ = 794699322. Its totient is φ = 170903040.

The previous prime is 427257647. The next prime is 427257659. The reversal of 427257650 is 56752724.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 214710409 + 212547241 = 14653^2 + 14579^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (427257659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4272527 + ... + 4272626.

Almost surely, 2^427257650 is an apocalyptic number.

427257650 is a deficient number, since it is larger than the sum of its proper divisors (367441672).

427257650 is a wasteful number, since it uses less digits than its factorization.

427257650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8545165 (or 8545160 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 427257650 is about 20670.2116583261. The cubic root of 427257650 is about 753.1762481267.

The spelling of 427257650 in words is "four hundred twenty-seven million, two hundred fifty-seven thousand, six hundred fifty".