72343269 has 6 divisors (see below), whose sum is σ = 104495846. Its totient is φ = 48228840.

The previous prime is 72343267. The next prime is 72343273. The reversal of 72343269 is 96234327.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 72080100 + 263169 = 8490^2 + 513^2 .

It is not a de Polignac number, because 72343269 - 2¹ = 72343267 is a prime.

It is a super-2 number, since 2×72343269² = 10467097139212722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72343267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4019062 + ... + 4019079.

Almost surely, 2^72343269 is an apocalyptic number.

It is an amenable number.

72343269 is a deficient number, since it is larger than the sum of its proper divisors (32152577).

72343269 is a wasteful number, since it uses less digits than its factorization.

72343269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8038147 (or 8038144 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 72343269 is about 8505.4846422764. The cubic root of 72343269 is about 416.6768540087.

The spelling of 72343269 in words is "seventy-two million, three hundred forty-three thousand, two hundred sixty-nine".