72633371 has 16 divisors (see below), whose sum is σ = 80426400. Its totient is φ = 65318400.

The previous prime is 72633317. The next prime is 72633391. The reversal of 72633371 is 17333627.

It is a cyclic number.

It is not a de Polignac number, because 72633371 - 2²² = 68439067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72633391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32531 + ... + 34691.

It is an arithmetic number, because the mean of its divisors is an integer number (5026650).

Almost surely, 2^72633371 is an apocalyptic number.

72633371 is a deficient number, since it is larger than the sum of its proper divisors (7793029).

72633371 is a wasteful number, since it uses less digits than its factorization.

72633371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2270.

The product of its digits is 15876, while the sum is 32.

The square root of 72633371 is about 8522.5213992104. The cubic root of 72633371 is about 417.2330797717.

Adding to 72633371 its reverse (17333627), we get a palindrome (89966998).

The spelling of 72633371 in words is "seventy-two million, six hundred thirty-three thousand, three hundred seventy-one".