72466280 has 16 divisors (see below), whose sum is σ = 163049220. Its totient is φ = 28986496.

The previous prime is 72466271. The next prime is 72466283. The reversal of 72466280 is 8266427.

It can be written as a sum of positive squares in 2 ways, for example, as 72352036 + 114244 = 8506^2 + 338^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 72466280.

It is not an unprimeable number, because it can be changed into a prime (72466283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 905789 + ... + 905868.

Almost surely, 2^72466280 is an apocalyptic number.

It is an amenable number.

72466280 is an abundant number, since it is smaller than the sum of its proper divisors (90582940).

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

72466280 is a wasteful number, since it uses less digits than its factorization.

72466280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811668 (or 1811664 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 72466280 is about 8512.7128460908. The cubic root of 72466280 is about 416.9128898471.

The spelling of 72466280 in words is "seventy-two million, four hundred sixty-six thousand, two hundred eighty".