662739468 has 24 divisors (see below), whose sum is σ = 1548321600. Its totient is φ = 220637520.

The previous prime is 662739461. The next prime is 662739529. The reversal of 662739468 is 864937266.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 662739468.

It is not an unprimeable number, because it can be changed into a prime (662739461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24318 + ... + 43781.

It is an arithmetic number, because the mean of its divisors is an integer number (64513400).

Almost surely, 2^662739468 is an apocalyptic number.

It is an amenable number.

662739468 is an abundant number, since it is smaller than the sum of its proper divisors (885582132).

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

662739468 is a wasteful number, since it uses less digits than its factorization.

662739468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68917 (or 68915 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 51.

The square root of 662739468 is about 25743.7267698366. The cubic root of 662739468 is about 871.8617233677.

The spelling of 662739468 in words is "six hundred sixty-two million, seven hundred thirty-nine thousand, four hundred sixty-eight".