72016315 has 8 divisors (see below), whose sum is σ = 98765280. Its totient is φ = 49382592.

The previous prime is 72016313. The next prime is 72016331. The reversal of 72016315 is 51361027.

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

It is not a de Polignac number, because 72016315 - 2¹ = 72016313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72016315.

It is not an unprimeable number, because it can be changed into a prime (72016313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1028770 + ... + 1028839.

It is an arithmetic number, because the mean of its divisors is an integer number (12345660).

Almost surely, 2^72016315 is an apocalyptic number.

72016315 is a deficient number, since it is larger than the sum of its proper divisors (26748965).

72016315 is a wasteful number, since it uses less digits than its factorization.

72016315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057621.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 72016315 is about 8486.2426903784. The cubic root of 72016315 is about 416.0481849850.

The spelling of 72016315 in words is "seventy-two million, sixteen thousand, three hundred fifteen".