68536061 has 12 divisors (see below), whose sum is σ = 79427040. Its totient is φ = 58637760.

The previous prime is 68536043. The next prime is 68536073. The reversal of 68536061 is 16063586.

It is not a de Polignac number, because 68536061 - 2²² = 64341757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68536081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7601 + ... + 13958.

It is an arithmetic number, because the mean of its divisors is an integer number (6618920).

Almost surely, 2^68536061 is an apocalyptic number.

It is an amenable number.

68536061 is a deficient number, since it is larger than the sum of its proper divisors (10890979).

68536061 is a wasteful number, since it uses less digits than its factorization.

68536061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21604 (or 21587 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 68536061 is about 8278.6509166651. The cubic root of 68536061 is about 409.2352609787.

The spelling of 68536061 in words is "sixty-eight million, five hundred thirty-six thousand, sixty-one".