72080726 has 8 divisors (see below), whose sum is σ = 108687744. Its totient is φ = 35851480.

The previous prime is 72080683. The next prime is 72080753. The reversal of 72080726 is 62708027.

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

It is a junction number, because it is equal to n+sod(n) for n = 72080692 and 72080701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93965 + ... + 94728.

It is an arithmetic number, because the mean of its divisors is an integer number (13585968).

Almost surely, 2^72080726 is an apocalyptic number.

72080726 is a deficient number, since it is larger than the sum of its proper divisors (36607018).

72080726 is a wasteful number, since it uses less digits than its factorization.

72080726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188886.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 72080726 is about 8490.0368668222. The cubic root of 72080726 is about 416.1721851011.

The spelling of 72080726 in words is "seventy-two million, eighty thousand, seven hundred twenty-six".