68908536 has 128 divisors (see below), whose sum is σ = 203212800. Its totient is φ = 21600000.

The previous prime is 68908523. The next prime is 68908547. The reversal of 68908536 is 63580986.

It is a junction number, because it is equal to n+sod(n) for n = 68908491 and 68908500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 274411 + ... + 274661.

It is an arithmetic number, because the mean of its divisors is an integer number (1587600).

Almost surely, 2^68908536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68908536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101606400).

68908536 is an abundant number, since it is smaller than the sum of its proper divisors (134304264).

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

68908536 is a wasteful number, since it uses less digits than its factorization.

68908536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 68908536 is about 8301.1165514044. The cubic root of 68908536 is about 409.9752830628.

The spelling of 68908536 in words is "sixty-eight million, nine hundred eight thousand, five hundred thirty-six".