72260452 has 12 divisors (see below), whose sum is σ = 137951856. Its totient is φ = 32845640.

The previous prime is 72260429. The next prime is 72260459. The reversal of 72260452 is 25406227.

It is a self number, because there is not a number n which added to its sum of digits gives 72260452.

It is not an unprimeable number, because it can be changed into a prime (72260459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 821098 + ... + 821185.

It is an arithmetic number, because the mean of its divisors is an integer number (11495988).

Almost surely, 2^72260452 is an apocalyptic number.

It is an amenable number.

72260452 is a deficient number, since it is larger than the sum of its proper divisors (65691404).

72260452 is a wasteful number, since it uses less digits than its factorization.

72260452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642298 (or 1642296 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 72260452 is about 8500.6148012953. The cubic root of 72260452 is about 416.5177924316.

Adding to 72260452 its reverse (25406227), we get a palindrome (97666679).

The spelling of 72260452 in words is "seventy-two million, two hundred sixty thousand, four hundred fifty-two".