72254260 has 36 divisors (see below), whose sum is σ = 164311308. Its totient is φ = 26677248.

The previous prime is 72254257. The next prime is 72254261. The reversal of 72254260 is 6245227.

It can be written as a sum of positive squares in 6 ways, for example, as 31651876 + 40602384 = 5626^2 + 6372^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72254261) 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 11 ways as a sum of consecutive naturals, for example, 7309 + ... + 14068.

It is an arithmetic number, because the mean of its divisors is an integer number (4564203).

Almost surely, 2^72254260 is an apocalyptic number.

It is an amenable number.

72254260 is an abundant number, since it is smaller than the sum of its proper divisors (92057048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72254260 is a wasteful number, since it uses less digits than its factorization.

72254260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21412 (or 21397 counting only the distinct ones).

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

The square root of 72254260 is about 8500.2505845416. The cubic root of 72254260 is about 416.5058949517.

Adding to 72254260 its reverse (6245227), we get a palindrome (78499487).

The spelling of 72254260 in words is "seventy-two million, two hundred fifty-four thousand, two hundred sixty".