36537979 has 4 divisors (see below), whose sum is σ = 36662976. Its totient is φ = 36412984.

The previous prime is 36537967. The next prime is 36537997. The reversal of 36537979 is 97973563.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97973563 = 4159 ⋅23557.

It is a cyclic number.

It is not a de Polignac number, because 36537979 - 2⁹ = 36537467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36517979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62059 + ... + 62644.

It is an arithmetic number, because the mean of its divisors is an integer number (9165744).

Almost surely, 2^36537979 is an apocalyptic number.

36537979 is a deficient number, since it is larger than the sum of its proper divisors (124997).

36537979 is a wasteful number, since it uses less digits than its factorization.

36537979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124996.

The product of its digits is 1071630, while the sum is 49.

The square root of 36537979 is about 6044.6653339949. The cubic root of 36537979 is about 331.8293838351.

The spelling of 36537979 in words is "thirty-six million, five hundred thirty-seven thousand, nine hundred seventy-nine".