72080552 has 16 divisors (see below), whose sum is σ = 135494100. Its totient is φ = 35948800.

The previous prime is 72080539. The next prime is 72080587. The reversal of 72080552 is 25508027.

It can be written as a sum of positive squares in 2 ways, for example, as 56761156 + 15319396 = 7534^2 + 3914^2 .

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, 8027 + ... + 14442.

Almost surely, 2^72080552 is an apocalyptic number.

It is an amenable number.

72080552 is a deficient number, since it is larger than the sum of its proper divisors (63413548).

72080552 is a wasteful number, since it uses less digits than its factorization.

72080552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22876 (or 22872 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 72080552 is about 8490.0266195107. The cubic root of 72080552 is about 416.1718502264.

Adding to 72080552 its reverse (25508027), we get a palindrome (97588579).

The spelling of 72080552 in words is "seventy-two million, eighty thousand, five hundred fifty-two".