72280014 has 16 divisors (see below), whose sum is σ = 144910080. Its totient is φ = 24035000.

The previous prime is 72279979. The next prime is 72280037. The reversal of 72280014 is 41008227.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11862 + ... + 16889.

It is an arithmetic number, because the mean of its divisors is an integer number (9056880).

Almost surely, 2^72280014 is an apocalyptic number.

72280014 is an abundant number, since it is smaller than the sum of its proper divisors (72630066).

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

72280014 is a wasteful number, since it uses less digits than its factorization.

72280014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29175.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 72280014 is about 8501.7653460914. The cubic root of 72280014 is about 416.5553749344. Note that the first 3 decimals are identical.

The spelling of 72280014 in words is "seventy-two million, two hundred eighty thousand, fourteen".