36947621 has 8 divisors (see below), whose sum is σ = 38158560. Its totient is φ = 35752752.

The previous prime is 36947597. The next prime is 36947641. The reversal of 36947621 is 12674963.

36947621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 36947621 - 2¹⁰ = 36946597 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 (36947641) 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 7 ways as a sum of consecutive naturals, for example, 746 + ... + 8628.

It is an arithmetic number, because the mean of its divisors is an integer number (4769820).

Almost surely, 2^36947621 is an apocalyptic number.

It is an amenable number.

36947621 is a deficient number, since it is larger than the sum of its proper divisors (1210939).

36947621 is a wasteful number, since it uses less digits than its factorization.

36947621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8035.

The product of its digits is 54432, while the sum is 38.

The square root of 36947621 is about 6078.4554781622. The cubic root of 36947621 is about 333.0648690611.

The spelling of 36947621 in words is "thirty-six million, nine hundred forty-seven thousand, six hundred twenty-one".