36669557 has 4 divisors (see below), whose sum is σ = 36937356. Its totient is φ = 36401760.

The previous prime is 36669551. The next prime is 36669571. The reversal of 36669557 is 75596663.

36669557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7789681 + 28879876 = 2791^2 + 5374^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36669557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36669551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133694 + ... + 133967.

It is an arithmetic number, because the mean of its divisors is an integer number (9234339).

Almost surely, 2^36669557 is an apocalyptic number.

It is an amenable number.

36669557 is a deficient number, since it is larger than the sum of its proper divisors (267799).

36669557 is a wasteful number, since it uses less digits than its factorization.

36669557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267798.

The product of its digits is 1020600, while the sum is 47.

The square root of 36669557 is about 6055.5393649121. The cubic root of 36669557 is about 332.2272268676.

The spelling of 36669557 in words is "thirty-six million, six hundred sixty-nine thousand, five hundred fifty-seven".