68726751 has 8 divisors (see below), whose sum is σ = 91739904. Its totient is φ = 45765720.

The previous prime is 68726729. The next prime is 68726753. The reversal of 68726751 is 15762786.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68726751 - 2⁵ = 68726719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68726753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9841 + ... + 15306.

It is an arithmetic number, because the mean of its divisors is an integer number (11467488).

Almost surely, 2^68726751 is an apocalyptic number.

68726751 is a deficient number, since it is larger than the sum of its proper divisors (23013153).

68726751 is a wasteful number, since it uses less digits than its factorization.

68726751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26061.

The product of its digits is 141120, while the sum is 42.

The square root of 68726751 is about 8290.1598898936. The cubic root of 68726751 is about 409.6144521541.

The spelling of 68726751 in words is "sixty-eight million, seven hundred twenty-six thousand, seven hundred fifty-one".