72494133 has 8 divisors (see below), whose sum is σ = 97514688. Its totient is φ = 47901504.

The previous prime is 72494131. The next prime is 72494161. The reversal of 72494133 is 33149427.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72494133 - 2¹ = 72494131 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 72494094 and 72494103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72494131) 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 7 ways as a sum of consecutive naturals, for example, 106585 + ... + 107262.

It is an arithmetic number, because the mean of its divisors is an integer number (12189336).

Almost surely, 2^72494133 is an apocalyptic number.

It is an amenable number.

72494133 is a deficient number, since it is larger than the sum of its proper divisors (25020555).

72494133 is a wasteful number, since it uses less digits than its factorization.

72494133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213963.

The product of its digits is 18144, while the sum is 33.

The square root of 72494133 is about 8514.3486538901. The cubic root of 72494133 is about 416.9662976172.

It can be divided in two parts, 72494 and 133, that added together give a palindrome (72627).

The spelling of 72494133 in words is "seventy-two million, four hundred ninety-four thousand, one hundred thirty-three".