72469319 has 8 divisors (see below), whose sum is σ = 79859472. Its totient is φ = 65338560.

The previous prime is 72469303. The next prime is 72469333. The reversal of 72469319 is 91396427.

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 72469319 - 2⁴ = 72469303 is a prime.

It is a super-2 number, since 2×72469319² = 10503604392647522, 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 (72469339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64262 + ... + 65379.

It is an arithmetic number, because the mean of its divisors is an integer number (9982434).

Almost surely, 2^72469319 is an apocalyptic number.

72469319 is a deficient number, since it is larger than the sum of its proper divisors (7390153).

72469319 is a wasteful number, since it uses less digits than its factorization.

72469319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129697.

The product of its digits is 81648, while the sum is 41.

The square root of 72469319 is about 8512.8913419590. The cubic root of 72469319 is about 416.9187177556.

The spelling of 72469319 in words is "seventy-two million, four hundred sixty-nine thousand, three hundred nineteen".