72830797 has 8 divisors (see below), whose sum is σ = 79211160. Its totient is φ = 66561600.

The previous prime is 72830761. The next prime is 72830827. The reversal of 72830797 is 79703827.

It can be written as a sum of positive squares in 4 ways, for example, as 1022121 + 71808676 = 1011^2 + 8474^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72830797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72830497) 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, 26422 + ... + 29047.

It is an arithmetic number, because the mean of its divisors is an integer number (9901395).

Almost surely, 2^72830797 is an apocalyptic number.

It is an amenable number.

72830797 is a deficient number, since it is larger than the sum of its proper divisors (6380363).

72830797 is a wasteful number, since it uses less digits than its factorization.

72830797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55583.

The product of its (nonzero) digits is 148176, while the sum is 43.

The square root of 72830797 is about 8534.0961442909. The cubic root of 72830797 is about 417.6107672200.

The spelling of 72830797 in words is "seventy-two million, eight hundred thirty thousand, seven hundred ninety-seven".