72260552 has 32 divisors (see below), whose sum is σ = 166756800. Its totient is φ = 28586304.

The previous prime is 72260533. The next prime is 72260561. The reversal of 72260552 is 25506227.

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 7 ways as a sum of consecutive naturals, for example, 48902 + ... + 50357.

It is an arithmetic number, because the mean of its divisors is an integer number (5211150).

Almost surely, 2^72260552 is an apocalyptic number.

It is an amenable number.

72260552 is an abundant number, since it is smaller than the sum of its proper divisors (94496248).

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

72260552 is a wasteful number, since it uses less digits than its factorization.

72260552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99285 (or 99281 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 72260552 is about 8500.6206832207. The cubic root of 72260552 is about 416.5179845688.

Adding to 72260552 its reverse (25506227), we get a palindrome (97766779).

It can be divided in two parts, 722 and 60552, that multiplied together give a square (43718544 = 6612²).

The spelling of 72260552 in words is "seventy-two million, two hundred sixty thousand, five hundred fifty-two".