36644542 has 16 divisors (see below), whose sum is σ = 61899264. Its totient is φ = 16119000.

The previous prime is 36644539. The next prime is 36644549. The reversal of 36644542 is 24544663.

It is a junction number, because it is equal to n+sod(n) for n = 36644498 and 36644507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36644549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26184 + ... + 27547.

It is an arithmetic number, because the mean of its divisors is an integer number (3868704).

Almost surely, 2^36644542 is an apocalyptic number.

36644542 is a deficient number, since it is larger than the sum of its proper divisors (25254722).

36644542 is a wasteful number, since it uses less digits than its factorization.

36644542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53775.

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

The square root of 36644542 is about 6053.4735483027. The cubic root of 36644542 is about 332.1516641461.

The spelling of 36644542 in words is "thirty-six million, six hundred forty-four thousand, five hundred forty-two".