36730821 has 8 divisors (see below), whose sum is σ = 49006944. Its totient is φ = 24470960.

The previous prime is 36730801. The next prime is 36730831. The reversal of 36730821 is 12803763.

36730821 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 36730821 - 2⁵ = 36730789 is a prime.

It is a super-2 number, since 2×36730821² = 2698306422668082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36730801) 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, 2926 + ... + 9056.

It is an arithmetic number, because the mean of its divisors is an integer number (6125868).

Almost surely, 2^36730821 is an apocalyptic number.

It is an amenable number.

36730821 is a deficient number, since it is larger than the sum of its proper divisors (12276123).

36730821 is a wasteful number, since it uses less digits than its factorization.

36730821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8131.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 36730821 is about 6060.5957627943. The cubic root of 36730821 is about 332.4121417858.

The spelling of 36730821 in words is "thirty-six million, seven hundred thirty thousand, eight hundred twenty-one".