662449275 has 18 divisors (see below), whose sum is σ = 1186520660. Its totient is φ = 353306160.

The previous prime is 662449253. The next prime is 662449283. The reversal of 662449275 is 572944266.

It is not a de Polignac number, because 662449275 - 2⁶ = 662449211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 662449275.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1471885 + ... + 1472334.

Almost surely, 2^662449275 is an apocalyptic number.

662449275 is a deficient number, since it is larger than the sum of its proper divisors (524071385).

662449275 is a wasteful number, since it uses less digits than its factorization.

662449275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2944235 (or 2944227 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 662449275 is about 25738.0899640980. The cubic root of 662449275 is about 871.7344510792.

The spelling of 662449275 in words is "six hundred sixty-two million, four hundred forty-nine thousand, two hundred seventy-five".