36815706 has 12 divisors (see below), whose sum is σ = 79767402. Its totient is φ = 12271896.

The previous prime is 36815699. The next prime is 36815707. The reversal of 36815706 is 60751863.

36815706 is a `hidden beast` number, since 3 + 6 + 81 + 570 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 32592681 + 4223025 = 5709^2 + 2055^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36815707) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1022641 + ... + 1022676.

Almost surely, 2^36815706 is an apocalyptic number.

36815706 is an abundant number, since it is smaller than the sum of its proper divisors (42951696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36815706 is a wasteful number, since it uses less digits than its factorization.

36815706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045325 (or 2045322 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 36815706 is about 6067.5947458610. The cubic root of 36815706 is about 332.6680131529.

The spelling of 36815706 in words is "thirty-six million, eight hundred fifteen thousand, seven hundred six".