36972515 has 4 divisors (see below), whose sum is σ = 44367024. Its totient is φ = 29578008.

The previous prime is 36972511. The next prime is 36972521. The reversal of 36972515 is 51527963.

It is a happy number.

36972515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 36972515 - 2² = 36972511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36972511) by changing a digit.

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, 3697247 + ... + 3697256.

It is an arithmetic number, because the mean of its divisors is an integer number (11091756).

Almost surely, 2^36972515 is an apocalyptic number.

36972515 is a deficient number, since it is larger than the sum of its proper divisors (7394509).

36972515 is an equidigital number, since it uses as much as digits as its factorization.

36972515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7394508.

The product of its digits is 56700, while the sum is 38.

The square root of 36972515 is about 6080.5028574946. The cubic root of 36972515 is about 333.1396547098.

The spelling of 36972515 in words is "thirty-six million, nine hundred seventy-two thousand, five hundred fifteen".