72483140 has 12 divisors (see below), whose sum is σ = 152214636. Its totient is φ = 28993248.

The previous prime is 72483139. The next prime is 72483161. The reversal of 72483140 is 4138427.

It can be written as a sum of positive squares in 2 ways, for example, as 53699584 + 18783556 = 7328^2 + 4334^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1812059 + ... + 1812098.

It is an arithmetic number, because the mean of its divisors is an integer number (12684553).

Almost surely, 2^72483140 is an apocalyptic number.

It is an amenable number.

72483140 is an abundant number, since it is smaller than the sum of its proper divisors (79731496).

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

72483140 is a wasteful number, since it uses less digits than its factorization.

72483140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3624166 (or 3624164 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 72483140 is about 8513.7030721068. The cubic root of 72483140 is about 416.9452203152.

The spelling of 72483140 in words is "seventy-two million, four hundred eighty-three thousand, one hundred forty".