427320464 has 20 divisors (see below), whose sum is σ = 828308220. Its totient is φ = 213563520.

The previous prime is 427320457. The next prime is 427320499. The reversal of 427320464 is 464023724.

It can be written as a sum of positive squares in 2 ways, for example, as 327320464 + 100000000 = 18092^2 + 10000^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 427320464.

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, 41954 + ... + 51134.

It is an arithmetic number, because the mean of its divisors is an integer number (41415411).

Almost surely, 2^427320464 is an apocalyptic number.

It is an amenable number.

427320464 is a deficient number, since it is larger than the sum of its proper divisors (400987756).

427320464 is a wasteful number, since it uses less digits than its factorization.

427320464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12098 (or 12092 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 32.

The square root of 427320464 is about 20671.7310354019. The cubic root of 427320464 is about 753.2131561412.

The spelling of 427320464 in words is "four hundred twenty-seven million, three hundred twenty thousand, four hundred sixty-four".