68747136 has 32 divisors (see below), whose sum is σ = 182610600. Its totient is φ = 22915584.

The previous prime is 68747117. The next prime is 68747141. The reversal of 68747136 is 63174786.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89131 + ... + 89898.

Almost surely, 2^68747136 is an apocalyptic number.

It is an amenable number.

68747136 is an abundant number, since it is smaller than the sum of its proper divisors (113863464).

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

68747136 is a wasteful number, since it uses less digits than its factorization.

68747136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179046 (or 179034 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 68747136 is about 8291.3892683916. The cubic root of 68747136 is about 409.6549466489.

The spelling of 68747136 in words is "sixty-eight million, seven hundred forty-seven thousand, one hundred thirty-six".