68038751 has 16 divisors (see below), whose sum is σ = 76612608. Its totient is φ = 59892000.

The previous prime is 68038723. The next prime is 68038787. The reversal of 68038751 is 15783086.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68038751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68038051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51566 + ... + 52868.

It is an arithmetic number, because the mean of its divisors is an integer number (4788288).

Almost surely, 2^68038751 is an apocalyptic number.

68038751 is a deficient number, since it is larger than the sum of its proper divisors (8573857).

68038751 is a wasteful number, since it uses less digits than its factorization.

68038751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 68038751 is about 8248.5605410884. The cubic root of 68038751 is about 408.2430289081.

The spelling of 68038751 in words is "sixty-eight million, thirty-eight thousand, seven hundred fifty-one".