36997669 has 8 divisors (see below), whose sum is σ = 38338200. Its totient is φ = 35675136.

The previous prime is 36997619. The next prime is 36997679. The reversal of 36997669 is 96679963.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 213444 + 36784225 = 462^2 + 6065^2 .

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 36997669 - 2¹⁵ = 36964901 is a prime.

It is a super-2 number, since 2×36997669² = 2737655022867122, 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 (36997619) 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, 244 + ... + 8605.

It is an arithmetic number, because the mean of its divisors is an integer number (4792275).

Almost surely, 2^36997669 is an apocalyptic number.

It is an amenable number.

36997669 is a deficient number, since it is larger than the sum of its proper divisors (1340531).

36997669 is a wasteful number, since it uses less digits than its factorization.

36997669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8999.

The product of its digits is 3306744, while the sum is 55.

The square root of 36997669 is about 6082.5709202606. The cubic root of 36997669 is about 333.2151873518.

The spelling of 36997669 in words is "thirty-six million, nine hundred ninety-seven thousand, six hundred sixty-nine".