68929336 has 16 divisors (see below), whose sum is σ = 147705840. Its totient is φ = 29541120.

The previous prime is 68929319. The next prime is 68929349. The reversal of 68929336 is 63392986.

68929336 = 3135² + 3136² + ... + 3141².

It is a happy number.

It is a super-2 number, since 2×68929336² = 9502506722801792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615385 + ... + 615496.

It is an arithmetic number, because the mean of its divisors is an integer number (9231615).

Almost surely, 2^68929336 is an apocalyptic number.

It is an amenable number.

68929336 is an abundant number, since it is smaller than the sum of its proper divisors (78776504).

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

68929336 is a wasteful number, since it uses less digits than its factorization.

68929336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230894 (or 1230890 counting only the distinct ones).

The product of its digits is 419904, while the sum is 46.

The square root of 68929336 is about 8302.3693003865. The cubic root of 68929336 is about 410.0165291770.

The spelling of 68929336 in words is "sixty-eight million, nine hundred twenty-nine thousand, three hundred thirty-six".