427274644 has 12 divisors (see below), whose sum is σ = 748343764. Its totient is φ = 213462144.

The previous prime is 427274629. The next prime is 427274669. The reversal of 427274644 is 446472724.

It can be written as a sum of positive squares in 2 ways, for example, as 371024644 + 56250000 = 19262^2 + 7500^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 427274597 and 427274606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38229 + ... + 48124.

Almost surely, 2^427274644 is an apocalyptic number.

It is an amenable number.

427274644 is a deficient number, since it is larger than the sum of its proper divisors (321069120).

427274644 is a wasteful number, since it uses less digits than its factorization.

427274644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87594 (or 87592 counting only the distinct ones).

The product of its digits is 301056, while the sum is 40.

The square root of 427274644 is about 20670.6227288875. The cubic root of 427274644 is about 753.1862337544.

The spelling of 427274644 in words is "four hundred twenty-seven million, two hundred seventy-four thousand, six hundred forty-four".