72836215 has 16 divisors (see below), whose sum is σ = 92574720. Its totient is φ = 54859680.

The previous prime is 72836201. The next prime is 72836221. The reversal of 72836215 is 51263827.

It is a happy number.

It is not a de Polignac number, because 72836215 - 2⁹ = 72835703 is a prime.

It is a super-2 number, since 2×72836215² = 10610228431052450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13570 + ... + 18160.

It is an arithmetic number, because the mean of its divisors is an integer number (5785920).

Almost surely, 2^72836215 is an apocalyptic number.

72836215 is a deficient number, since it is larger than the sum of its proper divisors (19738505).

72836215 is a wasteful number, since it uses less digits than its factorization.

72836215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4782.

The product of its digits is 20160, while the sum is 34.

The square root of 72836215 is about 8534.4135709491. The cubic root of 72836215 is about 417.6211225419.

The spelling of 72836215 in words is "seventy-two million, eight hundred thirty-six thousand, two hundred fifteen".