72095840 has 24 divisors (see below), whose sum is σ = 170326800. Its totient is φ = 28838272.

The previous prime is 72095797. The next prime is 72095867. The reversal of 72095840 is 4859027.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 72095840.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225140 + ... + 225459.

It is an arithmetic number, because the mean of its divisors is an integer number (7096950).

Almost surely, 2^72095840 is an apocalyptic number.

It is an amenable number.

72095840 is an abundant number, since it is smaller than the sum of its proper divisors (98230960).

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

72095840 is a wasteful number, since it uses less digits than its factorization.

72095840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450614 (or 450606 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 72095840 is about 8490.9269223095. The cubic root of 72095840 is about 416.2012709477.

The spelling of 72095840 in words is "seventy-two million, ninety-five thousand, eight hundred forty".