72514306 has 8 divisors (see below), whose sum is σ = 108825084. Its totient is φ = 36239280.

The previous prime is 72514289. The next prime is 72514327. The reversal of 72514306 is 60341527.

It can be written as a sum of positive squares in 2 ways, for example, as 72165025 + 349281 = 8495^2 + 591^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 3105 + ... + 12436.

Almost surely, 2^72514306 is an apocalyptic number.

72514306 is a deficient number, since it is larger than the sum of its proper divisors (36310778).

72514306 is a wasteful number, since it uses less digits than its factorization.

72514306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17876.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 72514306 is about 8515.5332187714. The cubic root of 72514306 is about 417.0049705446.

The spelling of 72514306 in words is "seventy-two million, five hundred fourteen thousand, three hundred six".