72261412 has 12 divisors (see below), whose sum is σ = 127120896. Its totient is φ = 35941160.

The previous prime is 72261367. The next prime is 72261433. The reversal of 72261412 is 21416227.

It is an unprimeable number.

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, 46528 + ... + 48055.

It is an arithmetic number, because the mean of its divisors is an integer number (10593408).

Almost surely, 2^72261412 is an apocalyptic number.

It is an amenable number.

72261412 is a deficient number, since it is larger than the sum of its proper divisors (54859484).

72261412 is a wasteful number, since it uses less digits than its factorization.

72261412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94778 (or 94776 counting only the distinct ones).

The product of its digits is 1344, while the sum is 25.

The square root of 72261412 is about 8500.6712676118. The cubic root of 72261412 is about 416.5196369413.

Adding to 72261412 its reverse (21416227), we get a palindrome (93677639).

The spelling of 72261412 in words is "seventy-two million, two hundred sixty-one thousand, four hundred twelve".