72794657249 has 8 divisors (see below), whose sum is σ = 72958845960. Its totient is φ = 72630654976.

The previous prime is 72794657239. The next prime is 72794657279. The reversal of 72794657249 is 94275649727.

It can be written as a sum of positive squares in 4 ways, for example, as 859662400 + 71934994849 = 29320^2 + 268207^2 .

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 72794657249 - 2⁸ = 72794656993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 72794657191 and 72794657200.

It is not an unprimeable number, because it can be changed into a prime (72794657239) 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, 750437 + ... + 841869.

It is an arithmetic number, because the mean of its divisors is an integer number (9119855745).

Almost surely, 2^72794657249 is an apocalyptic number.

It is an amenable number.

72794657249 is a deficient number, since it is larger than the sum of its proper divisors (164188711).

72794657249 is an equidigital number, since it uses as much as digits as its factorization.

72794657249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93219.

The product of its digits is 53343360, while the sum is 62.

The spelling of 72794657249 in words is "seventy-two billion, seven hundred ninety-four million, six hundred fifty-seven thousand, two hundred forty-nine".