68437888 has 16 divisors (see below), whose sum is σ = 136341360. Its totient is φ = 34218880.

The previous prime is 68437877. The next prime is 68437909. The reversal of 68437888 is 88873486.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267208 + ... + 267463.

It is an arithmetic number, because the mean of its divisors is an integer number (8521335).

Almost surely, 2^68437888 is an apocalyptic number.

It is an amenable number.

68437888 is a deficient number, since it is larger than the sum of its proper divisors (67903472).

68437888 is an equidigital number, since it uses as much as digits as its factorization.

68437888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534685 (or 534673 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 52.

The square root of 68437888 is about 8272.7195044919. The cubic root of 68437888 is about 409.0397675358.

The spelling of 68437888 in words is "sixty-eight million, four hundred thirty-seven thousand, eight hundred eighty-eight".