36971738 has 4 divisors (see below), whose sum is σ = 55457610. Its totient is φ = 18485868.

The previous prime is 36971731. The next prime is 36971743. The reversal of 36971738 is 83717963.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83717963 = 7 ⋅11959709.

It can be written as a sum of positive squares in only one way, i.e., 36638809 + 332929 = 6053^2 + 577^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36971731) 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, 9242933 + ... + 9242936.

Almost surely, 2^36971738 is an apocalyptic number.

36971738 is a deficient number, since it is larger than the sum of its proper divisors (18485872).

36971738 is a wasteful number, since it uses less digits than its factorization.

36971738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18485871.

The product of its digits is 190512, while the sum is 44.

The square root of 36971738 is about 6080.4389644170. The cubic root of 36971738 is about 333.1373209823.

The spelling of 36971738 in words is "thirty-six million, nine hundred seventy-one thousand, seven hundred thirty-eight".