36670321 has 4 divisors (see below), whose sum is σ = 36788544. Its totient is φ = 36552100.

The previous prime is 36670301. The next prime is 36670339. The reversal of 36670321 is 12307663.

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 an emirpimes, since its reverse is a distinct semiprime: 12307663 = 643 ⋅19141.

It is a cyclic number.

It is not a de Polignac number, because 36670321 - 2⁵ = 36670289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36670321.

It is not an unprimeable number, because it can be changed into a prime (36670301) 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, 58645 + ... + 59266.

It is an arithmetic number, because the mean of its divisors is an integer number (9197136).

Almost surely, 2^36670321 is an apocalyptic number.

It is an amenable number.

36670321 is a deficient number, since it is larger than the sum of its proper divisors (118223).

36670321 is a wasteful number, since it uses less digits than its factorization.

36670321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118222.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 36670321 is about 6055.6024473210. The cubic root of 36670321 is about 332.2295341388.

Adding to 36670321 its reverse (12307663), we get a palindrome (48977984).

The spelling of 36670321 in words is "thirty-six million, six hundred seventy thousand, three hundred twenty-one".