37669 has 4 divisors (see below), whose sum is σ = 38080. Its totient is φ = 37260.

The previous prime is 37663. The next prime is 37691. The reversal of 37669 is 96673.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 96673 = 277 ⋅349.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37669 is a prime.

It is a super-2 number, since 2×37669² = 2837907122, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 37669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4 + ... + 274.

It is an arithmetic number, because the mean of its divisors is an integer number (9520).

2³⁷⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

37669 is a deficient number, since it is larger than the sum of its proper divisors (411).

37669 is a wasteful number, since it uses less digits than its factorization.

37669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410.

The product of its digits is 6804, while the sum is 31.

The square root of 37669 is about 194.0850329108. The cubic root of 37669 is about 33.5218540108.

It can be divided in two parts, 37 and 669, that multiplied together give a triangular number (24753 = T₂₂₂).

The spelling of 37669 in words is "thirty-seven thousand, six hundred sixty-nine".