72327501 has 24 divisors (see below), whose sum is σ = 107452800. Its totient is φ = 46858176.

The previous prime is 72327491. The next prime is 72327511. The reversal of 72327501 is 10572327.

It is an interprime number because it is at equal distance from previous prime (72327491) and next prime (72327511).

It is not a de Polignac number, because 72327501 - 2¹⁰ = 72326477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72327511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68425 + ... + 69473.

It is an arithmetic number, because the mean of its divisors is an integer number (4477200).

Almost surely, 2^72327501 is an apocalyptic number.

It is an amenable number.

72327501 is a deficient number, since it is larger than the sum of its proper divisors (35125299).

72327501 is a wasteful number, since it uses less digits than its factorization.

72327501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265 (or 1262 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 72327501 is about 8504.5576604548. The cubic root of 72327501 is about 416.6465787293.

Adding to 72327501 its reverse (10572327), we get a palindrome (82899828).

It can be divided in two parts, 723 and 27501, that added together give a square (28224 = 168²).

The spelling of 72327501 in words is "seventy-two million, three hundred twenty-seven thousand, five hundred one".