36463645 has 4 divisors (see below), whose sum is σ = 43756380. Its totient is φ = 29170912.

The previous prime is 36463639. The next prime is 36463649. The reversal of 36463645 is 54636463.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54636463 = 7 ⋅7805209.

It can be written as a sum of positive squares in 2 ways, for example, as 18714276 + 17749369 = 4326^2 + 4213^2 .

It is a cyclic number.

It is not a de Polignac number, because 36463645 - 2⁷ = 36463517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36463649) 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, 3646360 + ... + 3646369.

It is an arithmetic number, because the mean of its divisors is an integer number (10939095).

Almost surely, 2^36463645 is an apocalyptic number.

It is an amenable number.

36463645 is a deficient number, since it is larger than the sum of its proper divisors (7292735).

36463645 is an equidigital number, since it uses as much as digits as its factorization.

36463645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7292734.

The product of its digits is 155520, while the sum is 37.

The square root of 36463645 is about 6038.5134760138. The cubic root of 36463645 is about 331.6042030574.

It can be divided in two parts, 364 and 63645, that added together give a square (64009 = 253²).

The spelling of 36463645 in words is "thirty-six million, four hundred sixty-three thousand, six hundred forty-five".