72296496 has 80 divisors (see below), whose sum is σ = 209495520. Its totient is φ = 23869440.

The previous prime is 72296491. The next prime is 72296503. The reversal of 72296496 is 69469227.

72296496 is a `hidden beast` number, since 72 + 2 + 96 + 496 = 666.

It is not an unprimeable number, because it can be changed into a prime (72296491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48076 + ... + 49556.

It is an arithmetic number, because the mean of its divisors is an integer number (2618694).

Almost surely, 2^72296496 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 72296496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104747760).

72296496 is an abundant number, since it is smaller than the sum of its proper divisors (137199024).

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

72296496 is a wasteful number, since it uses less digits than its factorization.

72296496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611 (or 1599 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 72296496 is about 8502.7346189329. The cubic root of 72296496 is about 416.5870348798.

The spelling of 72296496 in words is "seventy-two million, two hundred ninety-six thousand, four hundred ninety-six".