68090024 has 8 divisors (see below), whose sum is σ = 127668810. Its totient is φ = 34045008.

The previous prime is 68090017. The next prime is 68090041. The reversal of 68090024 is 42009086.

It can be written as a sum of positive squares in only one way, i.e., 66945124 + 1144900 = 8182^2 + 1070^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4255619 + ... + 4255634.

Almost surely, 2^68090024 is an apocalyptic number.

It is an amenable number.

68090024 is a deficient number, since it is larger than the sum of its proper divisors (59578786).

68090024 is a wasteful number, since it uses less digits than its factorization.

68090024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8511259 (or 8511255 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 68090024 is about 8251.6679526021. The cubic root of 68090024 is about 408.3455518025.

The spelling of 68090024 in words is "sixty-eight million, ninety thousand, twenty-four".