72797799 has 8 divisors (see below), whose sum is σ = 98709120. Its totient is φ = 47709176.

The previous prime is 72797761. The next prime is 72797807. The reversal of 72797799 is 99779727.

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

It is a cyclic number.

It is not a de Polignac number, because 72797799 - 2⁷ = 72797671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72797749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205467 + ... + 205820.

It is an arithmetic number, because the mean of its divisors is an integer number (12338640).

Almost surely, 2^72797799 is an apocalyptic number.

72797799 is a deficient number, since it is larger than the sum of its proper divisors (25911321).

72797799 is a wasteful number, since it uses less digits than its factorization.

72797799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411349.

The product of its digits is 3500658, while the sum is 57.

The square root of 72797799 is about 8532.1626215163. The cubic root of 72797799 is about 417.5476876696.

The spelling of 72797799 in words is "seventy-two million, seven hundred ninety-seven thousand, seven hundred ninety-nine".