73272412 has 24 divisors (see below), whose sum is σ = 132208272. Its totient is φ = 35510400.

The previous prime is 73272403. The next prime is 73272413. The reversal of 73272412 is 21427237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73272413) 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, 25362 + ... + 28102.

It is an arithmetic number, because the mean of its divisors is an integer number (5508678).

Almost surely, 2^73272412 is an apocalyptic number.

It is an amenable number.

73272412 is a deficient number, since it is larger than the sum of its proper divisors (58935860).

73272412 is a wasteful number, since it uses less digits than its factorization.

73272412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2949 (or 2947 counting only the distinct ones).

The product of its digits is 4704, while the sum is 28.

The square root of 73272412 is about 8559.9306071954. The cubic root of 73272412 is about 418.4531383166.

Adding to 73272412 its reverse (21427237), we get a palindrome (94699649).

It can be divided in two parts, 732724 and 12, that added together give a square (732736 = 856²).

The spelling of 73272412 in words is "seventy-three million, two hundred seventy-two thousand, four hundred twelve".