72530248 has 16 divisors (see below), whose sum is σ = 155422080. Its totient is φ = 31084368.

The previous prime is 72530243. The next prime is 72530257. The reversal of 72530248 is 84203527.

It is not an unprimeable number, because it can be changed into a prime (72530243) 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 3 ways as a sum of consecutive naturals, for example, 647536 + ... + 647647.

It is an arithmetic number, because the mean of its divisors is an integer number (9713880).

Almost surely, 2^72530248 is an apocalyptic number.

It is an amenable number.

72530248 is an abundant number, since it is smaller than the sum of its proper divisors (82891832).

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

72530248 is a wasteful number, since it uses less digits than its factorization.

72530248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295196 (or 1295192 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 72530248 is about 8516.4692214556. The cubic root of 72530248 is about 417.0355273018.

The spelling of 72530248 in words is "seventy-two million, five hundred thirty thousand, two hundred forty-eight".