36672644 has 12 divisors (see below), whose sum is σ = 64482768. Its totient is φ = 18249000.

The previous prime is 36672631. The next prime is 36672667. The reversal of 36672644 is 44627663.

It is a junction number, because it is equal to n+sod(n) for n = 36672598 and 36672607.

It is an unprimeable number.

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, 20882 + ... + 22569.

It is an arithmetic number, because the mean of its divisors is an integer number (5373564).

Almost surely, 2^36672644 is an apocalyptic number.

It is an amenable number.

36672644 is a deficient number, since it is larger than the sum of its proper divisors (27810124).

36672644 is a wasteful number, since it uses less digits than its factorization.

36672644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43666 (or 43664 counting only the distinct ones).

The product of its digits is 145152, while the sum is 38.

The square root of 36672644 is about 6055.7942501376. The cubic root of 36672644 is about 332.2365493751.

The spelling of 36672644 in words is "thirty-six million, six hundred seventy-two thousand, six hundred forty-four".