72296616 has 64 divisors (see below), whose sum is σ = 207953280. Its totient is φ = 20517120.

The previous prime is 72296603. The next prime is 72296621. The reversal of 72296616 is 61669227.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25006 + ... + 27746.

It is an arithmetic number, because the mean of its divisors is an integer number (3249270).

Almost surely, 2^72296616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72296616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103976640).

72296616 is an abundant number, since it is smaller than the sum of its proper divisors (135656664).

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

72296616 is a wasteful number, since it uses less digits than its factorization.

72296616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2914 (or 2910 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 72296616 is about 8502.7416754833. The cubic root of 72296616 is about 416.5872653678.

The spelling of 72296616 in words is "seventy-two million, two hundred ninety-six thousand, six hundred sixteen".