68496939 has 24 divisors (see below), whose sum is σ = 113848800. Its totient is φ = 38873088.

The previous prime is 68496931. The next prime is 68496941. The reversal of 68496939 is 93969486.

It is a happy number.

68496939 is a `hidden beast` number, since 68 + 496 + 93 + 9 = 666.

It is not a de Polignac number, because 68496939 - 2³ = 68496931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68496931) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5739 + ... + 13035.

It is an arithmetic number, because the mean of its divisors is an integer number (4743700).

Almost surely, 2^68496939 is an apocalyptic number.

68496939 is a deficient number, since it is larger than the sum of its proper divisors (45351861).

68496939 is a wasteful number, since it uses less digits than its factorization.

68496939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7459 (or 7456 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 54.

The square root of 68496939 is about 8276.2877547848. The cubic root of 68496939 is about 409.1573791117.

The spelling of 68496939 in words is "sixty-eight million, four hundred ninety-six thousand, nine hundred thirty-nine".