36642442 has 8 divisors (see below), whose sum is σ = 55049796. Its totient is φ = 18292512.

The previous prime is 36642439. The next prime is 36642443. The reversal of 36642442 is 24424663.

36642442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 36108081 + 534361 = 6009^2 + 731^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (36642443) 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, 12723 + ... + 15334.

Almost surely, 2^36642442 is an apocalyptic number.

36642442 is a deficient number, since it is larger than the sum of its proper divisors (18407354).

36642442 is a wasteful number, since it uses less digits than its factorization.

36642442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28712.

The product of its digits is 27648, while the sum is 31.

The square root of 36642442 is about 6053.3000916855. The cubic root of 36642442 is about 332.1453191191.

The spelling of 36642442 in words is "thirty-six million, six hundred forty-two thousand, four hundred forty-two".