36723938 has 4 divisors (see below), whose sum is σ = 55085910. Its totient is φ = 18361968.

The previous prime is 36723937. The next prime is 36723949. The reversal of 36723938 is 83932763.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83932763 = 787 ⋅106649.

It can be written as a sum of positive squares in only one way, i.e., 22306729 + 14417209 = 4723^2 + 3797^2 .

It is a junction number, because it is equal to n+sod(n) for n = 36723895 and 36723904.

It is not an unprimeable number, because it can be changed into a prime (36723937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9180983 + ... + 9180986.

Almost surely, 2^36723938 is an apocalyptic number.

36723938 is a deficient number, since it is larger than the sum of its proper divisors (18361972).

36723938 is a wasteful number, since it uses less digits than its factorization.

36723938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18361971.

The product of its digits is 163296, while the sum is 41.

The square root of 36723938 is about 6060.0278877246. The cubic root of 36723938 is about 332.3913768837.

The spelling of 36723938 in words is "thirty-six million, seven hundred twenty-three thousand, nine hundred thirty-eight".