36632641 has 4 divisors (see below), whose sum is σ = 37134532. Its totient is φ = 36130752.

The previous prime is 36632633. The next prime is 36632707. The reversal of 36632641 is 14623663.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25603600 + 11029041 = 5060^2 + 3321^2 .

It is a cyclic number.

It is not a de Polignac number, because 36632641 - 2³ = 36632633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36632041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250836 + ... + 250981.

It is an arithmetic number, because the mean of its divisors is an integer number (9283633).

Almost surely, 2^36632641 is an apocalyptic number.

It is an amenable number.

36632641 is a deficient number, since it is larger than the sum of its proper divisors (501891).

36632641 is an equidigital number, since it uses as much as digits as its factorization.

36632641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501890.

The product of its digits is 15552, while the sum is 31.

The square root of 36632641 is about 6052.4904791334. The cubic root of 36632641 is about 332.1157027655.

It can be divided in two parts, 36632 and 641, that added together give a palindrome (37273).

The spelling of 36632641 in words is "thirty-six million, six hundred thirty-two thousand, six hundred forty-one".