72737735 has 8 divisors (see below), whose sum is σ = 99754656. Its totient is φ = 49877280.

The previous prime is 72737723. The next prime is 72737741. The reversal of 72737735 is 53773727.

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

It is not a de Polignac number, because 72737735 - 2¹⁴ = 72721351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72737692 and 72737701.

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, 1039076 + ... + 1039145.

It is an arithmetic number, because the mean of its divisors is an integer number (12469332).

Almost surely, 2^72737735 is an apocalyptic number.

72737735 is a deficient number, since it is larger than the sum of its proper divisors (27016921).

72737735 is a wasteful number, since it uses less digits than its factorization.

72737735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078233.

The product of its digits is 216090, while the sum is 41.

The square root of 72737735 is about 8528.6420372765. The cubic root of 72737735 is about 417.4328193385.

The spelling of 72737735 in words is "seventy-two million, seven hundred thirty-seven thousand, seven hundred thirty-five".