72382469 has 4 divisors (see below), whose sum is σ = 72746400. Its totient is φ = 72018540.

The previous prime is 72382433. The next prime is 72382483. The reversal of 72382469 is 96428327.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 96428327 = 37 ⋅2606171.

It is a cyclic number.

It is not a de Polignac number, because 72382469 - 2²⁰ = 71333893 is a prime.

It is a super-2 number, since 2×72382469² = 10478443637071922, 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 (72382369) 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, 181667 + ... + 182064.

It is an arithmetic number, because the mean of its divisors is an integer number (18186600).

Almost surely, 2^72382469 is an apocalyptic number.

It is an amenable number.

72382469 is a deficient number, since it is larger than the sum of its proper divisors (363931).

72382469 is a wasteful number, since it uses less digits than its factorization.

72382469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363930.

The product of its digits is 145152, while the sum is 41.

The square root of 72382469 is about 8507.7887256325. The cubic root of 72382469 is about 416.7521007390.

The spelling of 72382469 in words is "seventy-two million, three hundred eighty-two thousand, four hundred sixty-nine".