72084815 has 8 divisors (see below), whose sum is σ = 94365648. Its totient is φ = 52425280.

The previous prime is 72084797. The next prime is 72084851. The reversal of 72084815 is 51848027.

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

It is not a de Polignac number, because 72084815 - 2⁸ = 72084559 is a prime.

It is a Duffinian 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, 655262 + ... + 655371.

It is an arithmetic number, because the mean of its divisors is an integer number (11795706).

Almost surely, 2^72084815 is an apocalyptic number.

72084815 is a deficient number, since it is larger than the sum of its proper divisors (22280833).

72084815 is a wasteful number, since it uses less digits than its factorization.

72084815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310649.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 72084815 is about 8490.2776750822. The cubic root of 72084815 is about 416.1800544996.

The spelling of 72084815 in words is "seventy-two million, eighty-four thousand, eight hundred fifteen".