68916492 has 36 divisors (see below), whose sum is σ = 174859776. Its totient is φ = 22885920.

The previous prime is 68916473. The next prime is 68916509. The reversal of 68916492 is 29461986.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 6517 + ... + 13427.

It is an arithmetic number, because the mean of its divisors is an integer number (4857216).

Almost surely, 2^68916492 is an apocalyptic number.

It is an amenable number.

68916492 is an abundant number, since it is smaller than the sum of its proper divisors (105943284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68916492 is a wasteful number, since it uses less digits than its factorization.

68916492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7198 (or 7193 counting only the distinct ones).

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

The square root of 68916492 is about 8301.5957502157. The cubic root of 68916492 is about 409.9910606816.

The spelling of 68916492 in words is "sixty-eight million, nine hundred sixteen thousand, four hundred ninety-two".