68517732 has 12 divisors (see below), whose sum is σ = 159874736. Its totient is φ = 22839240.

The previous prime is 68517697. The next prime is 68517737. The reversal of 68517732 is 23771586.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (68517737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2854894 + ... + 2854917.

Almost surely, 2^68517732 is an apocalyptic number.

It is an amenable number.

68517732 is an abundant number, since it is smaller than the sum of its proper divisors (91357004).

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

68517732 is a wasteful number, since it uses less digits than its factorization.

68517732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5709818 (or 5709816 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The square root of 68517732 is about 8277.5438386033. The cubic root of 68517732 is about 409.1987763322.

The spelling of 68517732 in words is "sixty-eight million, five hundred seventeen thousand, seven hundred thirty-two".