68087236 has 24 divisors (see below), whose sum is σ = 136999296. Its totient is φ = 29003520.

The previous prime is 68087233. The next prime is 68087263. The reversal of 68087236 is 63278086.

It is a happy number.

It is a super-2 number, since 2×68087236² = 9271743412239392, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (68087233) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2605 + ... + 11956.

It is an arithmetic number, because the mean of its divisors is an integer number (5708304).

Almost surely, 2^68087236 is an apocalyptic number.

It is an amenable number.

68087236 is an abundant number, since it is smaller than the sum of its proper divisors (68912060).

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

68087236 is a wasteful number, since it uses less digits than its factorization.

68087236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14739 (or 14737 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 68087236 is about 8251.4990153305. The cubic root of 68087236 is about 408.3399783823.

The spelling of 68087236 in words is "sixty-eight million, eighty-seven thousand, two hundred thirty-six".