72388516716707 has 4 divisors (see below), whose sum is σ = 72595933670400. Its totient is φ = 72181099763016.

The previous prime is 72388516716671. The next prime is 72388516716821. The reversal of 72388516716707 is 70761761588327.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72388516716707 - 2³⁶ = 72319797239971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72388516616707) 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, 103708476323 + ... + 103708477020.

It is an arithmetic number, because the mean of its divisors is an integer number (18148983417600).

Almost surely, 2^{72388516716707} is an apocalyptic number.

72388516716707 is a deficient number, since it is larger than the sum of its proper divisors (207416953693).

72388516716707 is a wasteful number, since it uses less digits than its factorization.

72388516716707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207416953692.

The product of its (nonzero) digits is 165957120, while the sum is 68.

The spelling of 72388516716707 in words is "seventy-two trillion, three hundred eighty-eight billion, five hundred sixteen million, seven hundred sixteen thousand, seven hundred seven".