36755621 has 4 divisors (see below), whose sum is σ = 42006432. Its totient is φ = 31504812.

The previous prime is 36755569. The next prime is 36755627. The reversal of 36755621 is 12655763.

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: 12655763 = 151 ⋅83813.

It is a cyclic number.

It is not a de Polignac number, because 36755621 - 2²² = 32561317 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 (36755627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2625395 + ... + 2625408.

It is an arithmetic number, because the mean of its divisors is an integer number (10501608).

Almost surely, 2^36755621 is an apocalyptic number.

It is an amenable number.

36755621 is a deficient number, since it is larger than the sum of its proper divisors (5250811).

36755621 is an equidigital number, since it uses as much as digits as its factorization.

36755621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5250810.

The product of its digits is 37800, while the sum is 35.

The square root of 36755621 is about 6062.6414210309. The cubic root of 36755621 is about 332.4869378855.

The spelling of 36755621 in words is "thirty-six million, seven hundred fifty-five thousand, six hundred twenty-one".