68995767 has 8 divisors (see below), whose sum is σ = 92033920. Its totient is φ = 45977400.

The previous prime is 68995753. The next prime is 68995777. The reversal of 68995767 is 76759986.

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

It is not a de Polignac number, because 68995767 - 2²⁶ = 1886903 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 (68995747) 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, 8142 + ... + 14292.

It is an arithmetic number, because the mean of its divisors is an integer number (11504240).

Almost surely, 2^68995767 is an apocalyptic number.

68995767 is a deficient number, since it is larger than the sum of its proper divisors (23038153).

68995767 is a wasteful number, since it uses less digits than its factorization.

68995767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9893.

The product of its digits is 5715360, while the sum is 57.

The square root of 68995767 is about 8306.3690623521. The cubic root of 68995767 is about 410.1482053936.

The spelling of 68995767 in words is "sixty-eight million, nine hundred ninety-five thousand, seven hundred sixty-seven".