68509038 has 32 divisors (see below), whose sum is σ = 148440096. Its totient is φ = 20953728.

The previous prime is 68509013. The next prime is 68509057. The reversal of 68509038 is 83090586.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 68508987 and 68509005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10956 + ... + 16032.

It is an arithmetic number, because the mean of its divisors is an integer number (4638753).

Almost surely, 2^68509038 is an apocalyptic number.

68509038 is an abundant number, since it is smaller than the sum of its proper divisors (79931058).

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

68509038 is a wasteful number, since it uses less digits than its factorization.

68509038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5268.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 68509038 is about 8277.0186661624. The cubic root of 68509038 is about 409.1814682839.

The spelling of 68509038 in words is "sixty-eight million, five hundred nine thousand, thirty-eight".