72072514 has 8 divisors (see below), whose sum is σ = 108144828. Its totient is φ = 36024240.

The previous prime is 72072509. The next prime is 72072541. The reversal of 72072514 is 41527027.

It can be written as a sum of positive squares in 2 ways, for example, as 65076489 + 6996025 = 8067^2 + 2645^2 .

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8344 + ... + 14620.

Almost surely, 2^72072514 is an apocalyptic number.

72072514 is a deficient number, since it is larger than the sum of its proper divisors (36072314).

72072514 is a wasteful number, since it uses less digits than its factorization.

72072514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12020.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 72072514 is about 8489.5532273495. The cubic root of 72072514 is about 416.1563799709.

The spelling of 72072514 in words is "seventy-two million, seventy-two thousand, five hundred fourteen".