72023267 has 4 divisors (see below), whose sum is σ = 72541560. Its totient is φ = 71504976.

The previous prime is 72023257. The next prime is 72023297. The reversal of 72023267 is 76232027.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72023267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72023207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258938 + ... + 259215.

It is an arithmetic number, because the mean of its divisors is an integer number (18135390).

Almost surely, 2^72023267 is an apocalyptic number.

72023267 is a deficient number, since it is larger than the sum of its proper divisors (518293).

72023267 is a wasteful number, since it uses less digits than its factorization.

72023267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518292.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 72023267 is about 8486.6522846173. The cubic root of 72023267 is about 416.0615721085.

The spelling of 72023267 in words is "seventy-two million, twenty-three thousand, two hundred sixty-seven".