36669697 has 4 divisors (see below), whose sum is σ = 38826756. Its totient is φ = 34512640.

The previous prime is 36669679. The next prime is 36669727. The reversal of 36669697 is 79696663.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33131536 + 3538161 = 5756^2 + 1881^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36669697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36669637) 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, 1078504 + ... + 1078537.

It is an arithmetic number, because the mean of its divisors is an integer number (9706689).

Almost surely, 2^36669697 is an apocalyptic number.

It is an amenable number.

36669697 is a deficient number, since it is larger than the sum of its proper divisors (2157059).

36669697 is a wasteful number, since it uses less digits than its factorization.

36669697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157058.

The product of its digits is 2204496, while the sum is 52.

The square root of 36669697 is about 6055.5509245650. The cubic root of 36669697 is about 332.2276496683.

The spelling of 36669697 in words is "thirty-six million, six hundred sixty-nine thousand, six hundred ninety-seven".