72769343 has 8 divisors (see below), whose sum is σ = 75218112. Its totient is φ = 70346016.

The previous prime is 72769339. The next prime is 72769351. The reversal of 72769343 is 34396727.

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 72769343 - 2² = 72769339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72769343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72769313) 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 7 ways as a sum of consecutive naturals, for example, 455 + ... + 12072.

It is an arithmetic number, because the mean of its divisors is an integer number (9402264).

Almost surely, 2^72769343 is an apocalyptic number.

72769343 is a deficient number, since it is larger than the sum of its proper divisors (2448769).

72769343 is a wasteful number, since it uses less digits than its factorization.

72769343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12721.

The product of its digits is 190512, while the sum is 41.

The square root of 72769343 is about 8530.4948859958. The cubic root of 72769343 is about 417.4932753766.

The spelling of 72769343 in words is "seventy-two million, seven hundred sixty-nine thousand, three hundred forty-three".