72230469 has 4 divisors (see below), whose sum is σ = 96307296. Its totient is φ = 48153644.

The previous prime is 72230447. The next prime is 72230537. The reversal of 72230469 is 96403227.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 72230469 - 2⁵ = 72230437 is a prime.

It is a super-2 number, since 2×72230469² = 10434481303919922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72230269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12038409 + ... + 12038414.

It is an arithmetic number, because the mean of its divisors is an integer number (24076824).

Almost surely, 2^72230469 is an apocalyptic number.

It is an amenable number.

72230469 is a deficient number, since it is larger than the sum of its proper divisors (24076827).

72230469 is a wasteful number, since it uses less digits than its factorization.

72230469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24076826.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 72230469 is about 8498.8510399936. The cubic root of 72230469 is about 416.4601759425.

The spelling of 72230469 in words is "seventy-two million, two hundred thirty thousand, four hundred sixty-nine".