72794369 has 4 divisors (see below), whose sum is σ = 72812244. Its totient is φ = 72776496.

The previous prime is 72794353. The next prime is 72794401. The reversal of 72794369 is 96349727.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96349727 = 17 ⋅5667631.

It can be written as a sum of positive squares in 2 ways, for example, as 68227600 + 4566769 = 8260^2 + 2137^2 .

It is a cyclic number.

It is not a de Polignac number, because 72794369 - 2⁴ = 72794353 is a prime.

It is a super-2 number, since 2×72794369² = 10598040316216322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72794269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479 + ... + 12075.

It is an arithmetic number, because the mean of its divisors is an integer number (18203061).

Almost surely, 2^72794369 is an apocalyptic number.

It is an amenable number.

72794369 is a deficient number, since it is larger than the sum of its proper divisors (17875).

72794369 is a wasteful number, since it uses less digits than its factorization.

72794369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17874.

The product of its digits is 571536, while the sum is 47.

The square root of 72794369 is about 8531.9616150098. The cubic root of 72794369 is about 417.5411297283.

The spelling of 72794369 in words is "seventy-two million, seven hundred ninety-four thousand, three hundred sixty-nine".