72301716 has 36 divisors (see below), whose sum is σ = 183461824. Its totient is φ = 24008400.

The previous prime is 72301679. The next prime is 72301721. The reversal of 72301716 is 61710327.

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

It is a self number, because there is not a number n which added to its sum of digits gives 72301716.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6051 + ... + 13461.

Almost surely, 2^72301716 is an apocalyptic number.

It is an amenable number.

72301716 is an abundant number, since it is smaller than the sum of its proper divisors (111160108).

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

72301716 is a wasteful number, since it uses less digits than its factorization.

72301716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7692 (or 7687 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 72301716 is about 8503.0415734606. The cubic root of 72301716 is about 416.5970608705.

The spelling of 72301716 in words is "seventy-two million, three hundred one thousand, seven hundred sixteen".