68950791 has 96 divisors (see below), whose sum is σ = 135340800. Its totient is φ = 34292160.

The previous prime is 68950771. The next prime is 68950799. The reversal of 68950791 is 19705986.

It is not a de Polignac number, because 68950791 - 2²² = 64756487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68950799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 326676 + ... + 326886.

It is an arithmetic number, because the mean of its divisors is an integer number (1409800).

Almost surely, 2^68950791 is an apocalyptic number.

68950791 is a deficient number, since it is larger than the sum of its proper divisors (66390009).

68950791 is a wasteful number, since it uses less digits than its factorization.

68950791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 68950791 is about 8303.6613008961. The cubic root of 68950791 is about 410.0590654544.

The spelling of 68950791 in words is "sixty-eight million, nine hundred fifty thousand, seven hundred ninety-one".