72614385 has 12 divisors (see below), whose sum is σ = 125865012. Its totient is φ = 38727648.

The previous prime is 72614357. The next prime is 72614407. The reversal of 72614385 is 58341627.

72614385 is a `hidden beast` number, since 7 + 2 + 614 + 38 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18326961 + 54287424 = 4281^2 + 7368^2 .

It is not a de Polignac number, because 72614385 - 2²² = 68420081 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 806782 + ... + 806871.

It is an arithmetic number, because the mean of its divisors is an integer number (10488751).

Almost surely, 2^72614385 is an apocalyptic number.

It is an amenable number.

72614385 is a deficient number, since it is larger than the sum of its proper divisors (53250627).

72614385 is a wasteful number, since it uses less digits than its factorization.

72614385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613664 (or 1613661 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 72614385 is about 8521.4074541709. The cubic root of 72614385 is about 417.1967223901.

The spelling of 72614385 in words is "seventy-two million, six hundred fourteen thousand, three hundred eighty-five".