72118714 has 8 divisors (see below), whose sum is σ = 109951668. Its totient is φ = 35468160.

The previous prime is 72118693. The next prime is 72118729. The reversal of 72118714 is 41781127.

It can be written as a sum of positive squares in 2 ways, for example, as 58018689 + 14100025 = 7617^2 + 3755^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×72118714² = 10402217818027592, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 295447 + ... + 295690.

Almost surely, 2^72118714 is an apocalyptic number.

72118714 is a deficient number, since it is larger than the sum of its proper divisors (37832954).

72118714 is a wasteful number, since it uses less digits than its factorization.

72118714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591200.

The product of its digits is 3136, while the sum is 31.

The square root of 72118714 is about 8492.2737826803. The cubic root of 72118714 is about 416.2452826467.

The spelling of 72118714 in words is "seventy-two million, one hundred eighteen thousand, seven hundred fourteen".