36234778 has 4 divisors (see below), whose sum is σ = 54352170. Its totient is φ = 18117388.

The previous prime is 36234763. The next prime is 36234797. The reversal of 36234778 is 87743263.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87743263 = 43 ⋅2040541.

It can be written as a sum of positive squares in only one way, i.e., 35200489 + 1034289 = 5933^2 + 1017^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 36234778.

It is an unprimeable number.

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, 9058693 + ... + 9058696.

Almost surely, 2^36234778 is an apocalyptic number.

36234778 is a deficient number, since it is larger than the sum of its proper divisors (18117392).

36234778 is a wasteful number, since it uses less digits than its factorization.

36234778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18117391.

The product of its digits is 169344, while the sum is 40.

The square root of 36234778 is about 6019.5330383677. The cubic root of 36234778 is about 330.9089663038.

The spelling of 36234778 in words is "thirty-six million, two hundred thirty-four thousand, seven hundred seventy-eight".