72516606 has 8 divisors (see below), whose sum is σ = 145033224. Its totient is φ = 24172200.

The previous prime is 72516601. The next prime is 72516623. The reversal of 72516606 is 60661527.

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

72516606 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72516601) 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, 6043045 + ... + 6043056.

It is an arithmetic number, because the mean of its divisors is an integer number (18129153).

Almost surely, 2^72516606 is an apocalyptic number.

72516606 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72516606 is a wasteful number, since it uses less digits than its factorization.

72516606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12086106.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 72516606 is about 8515.6682650277. The cubic root of 72516606 is about 417.0093793358.

The spelling of 72516606 in words is "seventy-two million, five hundred sixteen thousand, six hundred six".