72300269 has 8 divisors (see below), whose sum is σ = 76979448. Its totient is φ = 67668480.

The previous prime is 72300259. The next prime is 72300281. The reversal of 72300269 is 96200327.

It can be written as a sum of positive squares in 4 ways, for example, as 8779369 + 63520900 = 2963^2 + 7970^2 .

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 72300269 - 2¹² = 72296173 is a prime.

It is a super-2 number, since 2×72300269² = 10454657794944722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72300209) 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, 8672 + ... + 14825.

It is an arithmetic number, because the mean of its divisors is an integer number (9622431).

Almost surely, 2^72300269 is an apocalyptic number.

It is an amenable number.

72300269 is a deficient number, since it is larger than the sum of its proper divisors (4679179).

72300269 is a wasteful number, since it uses less digits than its factorization.

72300269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23695.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 72300269 is about 8502.9564858348. The cubic root of 72300269 is about 416.5942816835.

The spelling of 72300269 in words is "seventy-two million, three hundred thousand, two hundred sixty-nine".