72680334 has 8 divisors (see below), whose sum is σ = 145360680. Its totient is φ = 24226776.

The previous prime is 72680329. The next prime is 72680353. The reversal of 72680334 is 43308627.

It is a sphenic number, since it is the product of 3 distinct primes.

72680334 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 72680295 and 72680304.

It is a congruent number.

It is an unprimeable number.

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, 6056689 + ... + 6056700.

It is an arithmetic number, because the mean of its divisors is an integer number (18170085).

Almost surely, 2^72680334 is an apocalyptic number.

72680334 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72680334 is a wasteful number, since it uses less digits than its factorization.

72680334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12113394.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 72680334 is about 8525.2761832096. The cubic root of 72680334 is about 417.3229847069.

The spelling of 72680334 in words is "seventy-two million, six hundred eighty thousand, three hundred thirty-four".