72630267 has 4 divisors (see below), whose sum is σ = 96840360. Its totient is φ = 48420176.

The previous prime is 72630263. The next prime is 72630289. The reversal of 72630267 is 76203627.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76203627 = 3 ⋅25401209.

It is a cyclic number.

It is not a de Polignac number, because 72630267 - 2² = 72630263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72630263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12105042 + ... + 12105047.

It is an arithmetic number, because the mean of its divisors is an integer number (24210090).

Almost surely, 2^72630267 is an apocalyptic number.

72630267 is a deficient number, since it is larger than the sum of its proper divisors (24210093).

72630267 is a wasteful number, since it uses less digits than its factorization.

72630267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24210092.

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 72630267 is about 8522.3392915326. The cubic root of 72630267 is about 417.2271361772.

The spelling of 72630267 in words is "seventy-two million, six hundred thirty thousand, two hundred sixty-seven".