72501080 has 16 divisors (see below), whose sum is σ = 163127520. Its totient is φ = 29000416.

The previous prime is 72501071. The next prime is 72501089. The reversal of 72501080 is 8010527.

It is an interprime number because it is at equal distance from previous prime (72501071) and next prime (72501089).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72501089) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 906224 + ... + 906303.

It is an arithmetic number, because the mean of its divisors is an integer number (10195470).

Almost surely, 2^72501080 is an apocalyptic number.

It is an amenable number.

72501080 is an abundant number, since it is smaller than the sum of its proper divisors (90626440).

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

72501080 is a wasteful number, since it uses less digits than its factorization.

72501080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812538 (or 1812534 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 72501080 is about 8514.7566025107. The cubic root of 72501080 is about 416.9796162690.

The spelling of 72501080 in words is "seventy-two million, five hundred one thousand, eighty".