36787378 has 4 divisors (see below), whose sum is σ = 55181070. Its totient is φ = 18393688.

The previous prime is 36787369. The next prime is 36787397. The reversal of 36787378 is 87378763.

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: 87378763 = 1531 ⋅57073.

It can be written as a sum of positive squares in only one way, i.e., 25877569 + 10909809 = 5087^2 + 3303^2 .

It is a super-2 number, since 2×36787378² = 2706622360229768, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 9196843 + ... + 9196846.

Almost surely, 2^36787378 is an apocalyptic number.

36787378 is a deficient number, since it is larger than the sum of its proper divisors (18393692).

36787378 is a wasteful number, since it uses less digits than its factorization.

36787378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18393691.

The product of its digits is 1185408, while the sum is 49.

The square root of 36787378 is about 6065.2599284779. The cubic root of 36787378 is about 332.5826669914.

The spelling of 36787378 in words is "thirty-six million, seven hundred eighty-seven thousand, three hundred seventy-eight".