72264501 has 32 divisors (see below), whose sum is σ = 113944320. Its totient is φ = 45107712.

The previous prime is 72264499. The next prime is 72264541. The reversal of 72264501 is 10546227.

It is not a de Polignac number, because 72264501 - 2¹ = 72264499 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72264541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143416 + ... + 143918.

It is an arithmetic number, because the mean of its divisors is an integer number (3560760).

Almost surely, 2^72264501 is an apocalyptic number.

It is an amenable number.

72264501 is a deficient number, since it is larger than the sum of its proper divisors (41679819).

72264501 is a wasteful number, since it uses less digits than its factorization.

72264501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842 (or 836 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 72264501 is about 8500.8529572038. The cubic root of 72264501 is about 416.5255719246.

The spelling of 72264501 in words is "seventy-two million, two hundred sixty-four thousand, five hundred one".