68426757 has 12 divisors (see below), whose sum is σ = 112958560. Its totient is φ = 39100968.

The previous prime is 68426753. The next prime is 68426759. The reversal of 68426757 is 75762486.

It is not a de Polignac number, because 68426757 - 2² = 68426753 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 (68426753) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 543007 + ... + 543132.

Almost surely, 2^68426757 is an apocalyptic number.

It is an amenable number.

68426757 is a deficient number, since it is larger than the sum of its proper divisors (44531803).

68426757 is a wasteful number, since it uses less digits than its factorization.

68426757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086152 (or 1086149 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 68426757 is about 8272.0467237559. The cubic root of 68426757 is about 409.0175904024.

The spelling of 68426757 in words is "sixty-eight million, four hundred twenty-six thousand, seven hundred fifty-seven".