36421637 has 8 divisors (see below), whose sum is σ = 41664000. Its totient is φ = 31189104.

The previous prime is 36421601. The next prime is 36421639. The reversal of 36421637 is 73612463.

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 36421637 - 2¹² = 36417541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36421639) 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, 9164 + ... + 12522.

It is an arithmetic number, because the mean of its divisors is an integer number (5208000).

Almost surely, 2^36421637 is an apocalyptic number.

It is an amenable number.

36421637 is a deficient number, since it is larger than the sum of its proper divisors (5242363).

36421637 is a wasteful number, since it uses less digits than its factorization.

36421637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4915.

The product of its digits is 18144, while the sum is 32.

The square root of 36421637 is about 6035.0341341205. The cubic root of 36421637 is about 331.4768124088.

The spelling of 36421637 in words is "thirty-six million, four hundred twenty-one thousand, six hundred thirty-seven".