72335240 has 32 divisors (see below), whose sum is σ = 163080000. Its totient is φ = 28876224.

The previous prime is 72335233. The next prime is 72335267. The reversal of 72335240 is 4253327.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22451 + ... + 25469.

It is an arithmetic number, because the mean of its divisors is an integer number (5096250).

Almost surely, 2^72335240 is an apocalyptic number.

It is an amenable number.

72335240 is an abundant number, since it is smaller than the sum of its proper divisors (90744760).

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

72335240 is a wasteful number, since it uses less digits than its factorization.

72335240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3629 (or 3625 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 72335240 is about 8505.0126396144. The cubic root of 72335240 is about 416.6614385122.

Adding to 72335240 its reverse (4253327), we get a palindrome (76588567).

The spelling of 72335240 in words is "seventy-two million, three hundred thirty-five thousand, two hundred forty".