36868687 has 8 divisors (see below), whose sum is σ = 38509200. Its totient is φ = 35262144.

The previous prime is 36868681. The next prime is 36868691. The reversal of 36868687 is 78686863.

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 36868687 - 2³ = 36868679 is a prime.

It is a super-2 number, since 2×36868687² = 2718600162207938, 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 (36868681) 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, 6262 + ... + 10627.

It is an arithmetic number, because the mean of its divisors is an integer number (4813650).

Almost surely, 2^36868687 is an apocalyptic number.

36868687 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

36868687 is a deficient number, since it is larger than the sum of its proper divisors (1640513).

36868687 is a wasteful number, since it uses less digits than its factorization.

36868687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16985.

The product of its digits is 2322432, while the sum is 52.

The square root of 36868687 is about 6071.9590743021. The cubic root of 36868687 is about 332.8275160571.

The spelling of 36868687 in words is "thirty-six million, eight hundred sixty-eight thousand, six hundred eighty-seven".