64668282 has 16 divisors (see below), whose sum is σ = 147813312. Its totient is φ = 18476640.

The previous prime is 64668269. The next prime is 64668293. The reversal of 64668282 is 28286646.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1539721 = 64668282 / (6 + 4 + 6 + 6 + 8 + 2 + 8 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 769819 + ... + 769902.

It is an arithmetic number, because the mean of its divisors is an integer number (9238332).

Almost surely, 2^64668282 is an apocalyptic number.

64668282 is an abundant number, since it is smaller than the sum of its proper divisors (83145030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64668282 is a wasteful number, since it uses less digits than its factorization.

64668282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539733.

The product of its digits is 221184, while the sum is 42.

The square root of 64668282 is about 8041.6591571640. The cubic root of 64668282 is about 401.3874361548.

The spelling of 64668282 in words is "sixty-four million, six hundred sixty-eight thousand, two hundred eighty-two".