72680285 has 8 divisors (see below), whose sum is σ = 88032096. Its totient is φ = 57600400.

The previous prime is 72680273. The next prime is 72680291. The reversal of 72680285 is 58208627.

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

It is not a de Polignac number, because 72680285 - 2¹⁸ = 72418141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67391 + ... + 68460.

It is an arithmetic number, because the mean of its divisors is an integer number (11004012).

Almost surely, 2^72680285 is an apocalyptic number.

It is an amenable number.

72680285 is a deficient number, since it is larger than the sum of its proper divisors (15351811).

72680285 is a wasteful number, since it uses less digits than its factorization.

72680285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135963.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 72680285 is about 8525.2733094019. The cubic root of 72680285 is about 417.3228909225.

The spelling of 72680285 in words is "seventy-two million, six hundred eighty thousand, two hundred eighty-five".