36476821 has 4 divisors (see below), whose sum is σ = 36526144. Its totient is φ = 36427500.

The previous prime is 36476777. The next prime is 36476831. The reversal of 36476821 is 12867463.

36476821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 12867463 = 7 ⋅1838209.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36476821 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 (36476831) 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 3 ways as a sum of consecutive naturals, for example, 23535 + ... + 25036.

It is an arithmetic number, because the mean of its divisors is an integer number (9131536).

Almost surely, 2^36476821 is an apocalyptic number.

It is an amenable number.

36476821 is a deficient number, since it is larger than the sum of its proper divisors (49323).

36476821 is an equidigital number, since it uses as much as digits as its factorization.

36476821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49322.

The product of its digits is 48384, while the sum is 37.

The square root of 36476821 is about 6039.6043744603. The cubic root of 36476821 is about 331.6441395551.

The spelling of 36476821 in words is "thirty-six million, four hundred seventy-six thousand, eight hundred twenty-one".