72230373 has 40 divisors (see below), whose sum is σ = 113813568. Its totient is φ = 45562176.

The previous prime is 72230363. The next prime is 72230383. The reversal of 72230373 is 37303227.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (72230363) and next prime (72230383).

It is not a de Polignac number, because 72230373 - 2⁴ = 72230357 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 (72230303) 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 39 ways as a sum of consecutive naturals, for example, 255090 + ... + 255372.

Almost surely, 2^72230373 is an apocalyptic number.

It is an amenable number.

72230373 is a deficient number, since it is larger than the sum of its proper divisors (41583195).

72230373 is a wasteful number, since it uses less digits than its factorization.

72230373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 27.

The square root of 72230373 is about 8498.8453921695. The cubic root of 72230373 is about 416.4599914396.

The spelling of 72230373 in words is "seventy-two million, two hundred thirty thousand, three hundred seventy-three".