72269393 has 8 divisors (see below), whose sum is σ = 82938240. Its totient is φ = 61686720.

The previous prime is 72269389. The next prime is 72269411. The reversal of 72269393 is 39396227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72269393 - 2² = 72269389 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 72269393.

It is not an unprimeable number, because it can be changed into a prime (72269333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19733 + ... + 23106.

It is an arithmetic number, because the mean of its divisors is an integer number (10367280).

Almost surely, 2^72269393 is an apocalyptic number.

It is an amenable number.

72269393 is a deficient number, since it is larger than the sum of its proper divisors (10668847).

72269393 is a wasteful number, since it uses less digits than its factorization.

72269393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43087.

The product of its digits is 122472, while the sum is 41.

The square root of 72269393 is about 8501.1406881665. The cubic root of 72269393 is about 416.5349707170.

The spelling of 72269393 in words is "seventy-two million, two hundred sixty-nine thousand, three hundred ninety-three".