68513038 has 16 divisors (see below), whose sum is σ = 115729920. Its totient is φ = 30137400.

The previous prime is 68513023. The next prime is 68513057. The reversal of 68513038 is 83031586.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 68512994 and 68513012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49548 + ... + 50911.

It is an arithmetic number, because the mean of its divisors is an integer number (7233120).

Almost surely, 2^68513038 is an apocalyptic number.

68513038 is a deficient number, since it is larger than the sum of its proper divisors (47216882).

68513038 is a wasteful number, since it uses less digits than its factorization.

68513038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100503.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 68513038 is about 8277.2602955326. The cubic root of 68513038 is about 409.1894316810.

It can be divided in two parts, 6851 and 3038, that added together give a palindrome (9889).

The spelling of 68513038 in words is "sixty-eight million, five hundred thirteen thousand, thirty-eight".