36544642 has 4 divisors (see below), whose sum is σ = 54816966. Its totient is φ = 18272320.

The previous prime is 36544637. The next prime is 36544643. The reversal of 36544642 is 24644563.

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

It can be written as a sum of positive squares in only one way, i.e., 32706961 + 3837681 = 5719^2 + 1959^2 .

It is a junction number, because it is equal to n+sod(n) for n = 36544598 and 36544607.

It is not an unprimeable number, because it can be changed into a prime (36544643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9136159 + ... + 9136162.

Almost surely, 2^36544642 is an apocalyptic number.

36544642 is a deficient number, since it is larger than the sum of its proper divisors (18272324).

36544642 is a wasteful number, since it uses less digits than its factorization.

36544642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18272323.

The product of its digits is 69120, while the sum is 34.

The square root of 36544642 is about 6045.2164560088. The cubic root of 36544642 is about 331.8495532120.

The spelling of 36544642 in words is "thirty-six million, five hundred forty-four thousand, six hundred forty-two".