36787231 has 8 divisors (see below), whose sum is σ = 40538960. Its totient is φ = 33167232.

The previous prime is 36787199. The next prime is 36787243. The reversal of 36787231 is 13278763.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36787231 - 2⁵ = 36787199 is a prime.

It is a super-2 number, since 2×36787231² = 2706600729294722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36787271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32346 + ... + 33463.

It is an arithmetic number, because the mean of its divisors is an integer number (5067370).

Almost surely, 2^36787231 is an apocalyptic number.

36787231 is a deficient number, since it is larger than the sum of its proper divisors (3751729).

36787231 is a wasteful number, since it uses less digits than its factorization.

36787231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65865.

The product of its digits is 42336, while the sum is 37.

The square root of 36787231 is about 6065.2478102712. The cubic root of 36787231 is about 332.5822239978.

It can be divided in two parts, 3678723 and 1, that added together give a square (3678724 = 1918²).

The spelling of 36787231 in words is "thirty-six million, seven hundred eighty-seven thousand, two hundred thirty-one".