72270504 has 24 divisors (see below), whose sum is σ = 195732810. Its totient is φ = 24090144.

The previous prime is 72270503. The next prime is 72270521. The reversal of 72270504 is 40507227.

It can be written as a sum of positive squares in only one way, i.e., 71064900 + 1205604 = 8430^2 + 1098^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (72270503) 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 5 ways as a sum of consecutive naturals, for example, 501807 + ... + 501950.

Almost surely, 2^72270504 is an apocalyptic number.

It is an amenable number.

72270504 is an abundant number, since it is smaller than the sum of its proper divisors (123462306).

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

72270504 is a wasteful number, since it uses less digits than its factorization.

72270504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003769 (or 1003762 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 72270504 is about 8501.2060320874. The cubic root of 72270504 is about 416.5371051751.

The spelling of 72270504 in words is "seventy-two million, two hundred seventy thousand, five hundred four".