72396501 has 24 divisors (see below), whose sum is σ = 101750016. Its totient is φ = 45736320.

The previous prime is 72396473. The next prime is 72396503. The reversal of 72396501 is 10569327.

It is not a de Polignac number, because 72396501 - 2⁶ = 72396437 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72396503) 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, 640621 + ... + 640733.

It is an arithmetic number, because the mean of its divisors is an integer number (4239584).

Almost surely, 2^72396501 is an apocalyptic number.

It is an amenable number.

72396501 is a deficient number, since it is larger than the sum of its proper divisors (29353515).

72396501 is a wasteful number, since it uses less digits than its factorization.

72396501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 72396501 is about 8508.6133417849. The cubic root of 72396501 is about 416.7790293941.

The spelling of 72396501 in words is "seventy-two million, three hundred ninety-six thousand, five hundred one".