72264423 has 32 divisors (see below), whose sum is σ = 120637440. Its totient is φ = 37380960.

The previous prime is 72264421. The next prime is 72264449. The reversal of 72264423 is 32446227.

It is not a de Polignac number, because 72264423 - 2¹ = 72264421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72264421) 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, 70408 + ... + 71426.

It is an arithmetic number, because the mean of its divisors is an integer number (3769920).

Almost surely, 2^72264423 is an apocalyptic number.

72264423 is a deficient number, since it is larger than the sum of its proper divisors (48373017).

72264423 is a wasteful number, since it uses less digits than its factorization.

72264423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347.

The product of its digits is 16128, while the sum is 30.

The square root of 72264423 is about 8500.8483694276. The cubic root of 72264423 is about 416.5254220631.

The spelling of 72264423 in words is "seventy-two million, two hundred sixty-four thousand, four hundred twenty-three".