72325985 has 4 divisors (see below), whose sum is σ = 86791188. Its totient is φ = 57860784.

The previous prime is 72325963. The next prime is 72325987. The reversal of 72325985 is 58952327.

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

It can be written as a sum of positive squares in 2 ways, for example, as 30426256 + 41899729 = 5516^2 + 6473^2 .

It is a cyclic number.

It is not a de Polignac number, because 72325985 - 2⁶ = 72325921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72325987) 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, 7232594 + ... + 7232603.

It is an arithmetic number, because the mean of its divisors is an integer number (21697797).

Almost surely, 2^72325985 is an apocalyptic number.

It is an amenable number.

72325985 is a deficient number, since it is larger than the sum of its proper divisors (14465203).

72325985 is a wasteful number, since it uses less digits than its factorization.

72325985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14465202.

The product of its digits is 151200, while the sum is 41.

The square root of 72325985 is about 8504.4685313075. The cubic root of 72325985 is about 416.6436677083.

The spelling of 72325985 in words is "seventy-two million, three hundred twenty-five thousand, nine hundred eighty-five".