73140272 has 40 divisors (see below), whose sum is σ = 152371200. Its totient is φ = 33901632.

The previous prime is 73140247. The next prime is 73140283. The reversal of 73140272 is 27204137.

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, 11729 + ... + 16847.

It is an arithmetic number, because the mean of its divisors is an integer number (3809280).

Almost surely, 2^73140272 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 73140272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76185600).

73140272 is an abundant number, since it is smaller than the sum of its proper divisors (79230928).

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

73140272 is a wasteful number, since it uses less digits than its factorization.

73140272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5193 (or 5187 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 73140272 is about 8552.2086036298. The cubic root of 73140272 is about 418.2014398080.

The spelling of 73140272 in words is "seventy-three million, one hundred forty thousand, two hundred seventy-two".