72381714 has 16 divisors (see below), whose sum is σ = 149433600. Its totient is φ = 23348880.

The previous prime is 72381689. The next prime is 72381781. The reversal of 72381714 is 41718327.

It is a happy number.

It is a super-2 number, since 2×72381714² = 10478225043155592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194389 + ... + 194760.

It is an arithmetic number, because the mean of its divisors is an integer number (9339600).

Almost surely, 2^72381714 is an apocalyptic number.

72381714 is an abundant number, since it is smaller than the sum of its proper divisors (77051886).

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

72381714 is a wasteful number, since it uses less digits than its factorization.

72381714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389185.

The product of its digits is 9408, while the sum is 33.

The square root of 72381714 is about 8507.7443544103. The cubic root of 72381714 is about 416.7506517283.

The spelling of 72381714 in words is "seventy-two million, three hundred eighty-one thousand, seven hundred fourteen".