64083768 has 48 divisors (see below), whose sum is σ = 186369480. Its totient is φ = 18309312.

The previous prime is 64083763. The next prime is 64083797. The reversal of 64083768 is 86738046.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64083763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26071 + ... + 28422.

Almost surely, 2^64083768 is an apocalyptic number.

It is an amenable number.

64083768 is an abundant number, since it is smaller than the sum of its proper divisors (122285712).

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

64083768 is a wasteful number, since it uses less digits than its factorization.

64083768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54516 (or 54505 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 64083768 is about 8005.2337879665. The cubic root of 64083768 is about 400.1744405818.

The spelling of 64083768 in words is "sixty-four million, eighty-three thousand, seven hundred sixty-eight".