68536722 has 32 divisors (see below), whose sum is σ = 142502400. Its totient is φ = 21951360.

The previous prime is 68536697. The next prime is 68536751. The reversal of 68536722 is 22763586.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26478 + ... + 28950.

It is an arithmetic number, because the mean of its divisors is an integer number (4453200).

Almost surely, 2^68536722 is an apocalyptic number.

68536722 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

68536722 is an abundant number, since it is smaller than the sum of its proper divisors (73965678).

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

68536722 is a wasteful number, since it uses less digits than its factorization.

68536722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2658.

The product of its digits is 120960, while the sum is 39.

The square root of 68536722 is about 8278.6908385324. The cubic root of 68536722 is about 409.2365766055.

The spelling of 68536722 in words is "sixty-eight million, five hundred thirty-six thousand, seven hundred twenty-two".