68495291 has 8 divisors (see below), whose sum is σ = 69918720. Its totient is φ = 67085928.

The previous prime is 68495281. The next prime is 68495293. The reversal of 68495291 is 19259486.

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

It is a cyclic number.

It is not a de Polignac number, because 68495291 - 2¹⁸ = 68233147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68495293) 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, 6620 + ... + 13446.

It is an arithmetic number, because the mean of its divisors is an integer number (8739840).

Almost surely, 2^68495291 is an apocalyptic number.

68495291 is a deficient number, since it is larger than the sum of its proper divisors (1423429).

68495291 is a wasteful number, since it uses less digits than its factorization.

68495291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7033.

The product of its digits is 155520, while the sum is 44.

The square root of 68495291 is about 8276.1881926404. The cubic root of 68495291 is about 409.1540977156.

It can be divided in two parts, 68495 and 291, that added together give a palindrome (68786).

The spelling of 68495291 in words is "sixty-eight million, four hundred ninety-five thousand, two hundred ninety-one".