36706861 has 4 divisors (see below), whose sum is σ = 36737500. Its totient is φ = 36676224.

The previous prime is 36706847. The next prime is 36706877. The reversal of 36706861 is 16860763.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16860763 = 1439 ⋅11717.

It can be written as a sum of positive squares in 2 ways, for example, as 12638025 + 24068836 = 3555^2 + 4906^2 .

It is a cyclic number.

It is not a de Polignac number, because 36706861 - 2⁵ = 36706829 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36706861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36706801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13446 + ... + 15943.

It is an arithmetic number, because the mean of its divisors is an integer number (9184375).

Almost surely, 2^36706861 is an apocalyptic number.

It is an amenable number.

36706861 is a deficient number, since it is larger than the sum of its proper divisors (30639).

36706861 is a wasteful number, since it uses less digits than its factorization.

36706861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30638.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 36706861 is about 6058.6187369730. The cubic root of 36706861 is about 332.3398471194.

The spelling of 36706861 in words is "thirty-six million, seven hundred six thousand, eight hundred sixty-one".