68694291 has 32 divisors (see below), whose sum is σ = 107712000. Its totient is φ = 43149024.

The previous prime is 68694289. The next prime is 68694317. The reversal of 68694291 is 19249686.

It is a happy number.

It is not a de Polignac number, because 68694291 - 2¹ = 68694289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68694211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183981 + ... + 184353.

It is an arithmetic number, because the mean of its divisors is an integer number (3366000).

Almost surely, 2^68694291 is an apocalyptic number.

68694291 is a deficient number, since it is larger than the sum of its proper divisors (39017709).

68694291 is a wasteful number, since it uses less digits than its factorization.

68694291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760 (or 754 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 68694291 is about 8288.2019159767. The cubic root of 68694291 is about 409.5499543240.

The spelling of 68694291 in words is "sixty-eight million, six hundred ninety-four thousand, two hundred ninety-one".