68036724 has 36 divisors (see below), whose sum is σ = 196551264. Its totient is φ = 19438992.

The previous prime is 68036693. The next prime is 68036743. The reversal of 68036724 is 42763086.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134742 + ... + 135245.

Almost surely, 2^68036724 is an apocalyptic number.

It is an amenable number.

68036724 is an abundant number, since it is smaller than the sum of its proper divisors (128514540).

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

68036724 is a wasteful number, since it uses less digits than its factorization.

68036724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270004 (or 269999 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 68036724 is about 8248.4376702500. The cubic root of 68036724 is about 408.2389747633.

The spelling of 68036724 in words is "sixty-eight million, thirty-six thousand, seven hundred twenty-four".