72366273 has 24 divisors (see below), whose sum is σ = 121492800. Its totient is φ = 40649184.

The previous prime is 72366247. The next prime is 72366293. The reversal of 72366273 is 37266327.

72366273 is a `hidden beast` number, since 7 + 23 + 6 + 627 + 3 = 666.

It is not a de Polignac number, because 72366273 - 2⁵ = 72366241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72366293) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6018 + ... + 13451.

It is an arithmetic number, because the mean of its divisors is an integer number (5062200).

Almost surely, 2^72366273 is an apocalyptic number.

It is an amenable number.

72366273 is a deficient number, since it is larger than the sum of its proper divisors (49126527).

72366273 is a wasteful number, since it uses less digits than its factorization.

72366273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19541 (or 19538 counting only the distinct ones).

The product of its digits is 63504, while the sum is 36.

The square root of 72366273 is about 8506.8368386845. The cubic root of 72366273 is about 416.7210148485.

The spelling of 72366273 in words is "seventy-two million, three hundred sixty-six thousand, two hundred seventy-three".