68239476 has 24 divisors (see below), whose sum is σ = 176917440. Its totient is φ = 22746456.

The previous prime is 68239447. The next prime is 68239499. The reversal of 68239476 is 67493286.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315816 + ... + 316031.

It is an arithmetic number, because the mean of its divisors is an integer number (7371560).

Almost surely, 2^68239476 is an apocalyptic number.

It is an amenable number.

68239476 is an abundant number, since it is smaller than the sum of its proper divisors (108677964).

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

68239476 is a wasteful number, since it uses less digits than its factorization.

68239476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631860 (or 631852 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 68239476 is about 8260.7188549181. The cubic root of 68239476 is about 408.6440951116.

The spelling of 68239476 in words is "sixty-eight million, two hundred thirty-nine thousand, four hundred seventy-six".