72615027 has 4 divisors (see below), whose sum is σ = 96820040. Its totient is φ = 48410016.

The previous prime is 72614999. The next prime is 72615029. The reversal of 72615027 is 72051627.

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

It is not a de Polignac number, because 72615027 - 2⁸ = 72614771 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72614985 and 72615003.

It is not an unprimeable number, because it can be changed into a prime (72615029) 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, 12102502 + ... + 12102507.

It is an arithmetic number, because the mean of its divisors is an integer number (24205010).

Almost surely, 2^72615027 is an apocalyptic number.

72615027 is a deficient number, since it is larger than the sum of its proper divisors (24205013).

72615027 is a wasteful number, since it uses less digits than its factorization.

72615027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24205012.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 72615027 is about 8521.4451239212. The cubic root of 72615027 is about 417.1979518963.

It can be divided in two parts, 726 and 15027, that added together give a triangular number (15753 = T₁₇₇).

The spelling of 72615027 in words is "seventy-two million, six hundred fifteen thousand, twenty-seven".