72735086 has 8 divisors (see below), whose sum is σ = 109887960. Its totient is φ = 36105768.

The previous prime is 72735079. The next prime is 72735139. The reversal of 72735086 is 68053727.

It is a happy number.

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

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, 130541 + ... + 131096.

It is an arithmetic number, because the mean of its divisors is an integer number (13735995).

Almost surely, 2^72735086 is an apocalyptic number.

72735086 is a deficient number, since it is larger than the sum of its proper divisors (37152874).

72735086 is a wasteful number, since it uses less digits than its factorization.

72735086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261778.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 72735086 is about 8528.4867356407. The cubic root of 72735086 is about 417.4277518498.

The spelling of 72735086 in words is "seventy-two million, seven hundred thirty-five thousand, eighty-six".