39744069 has 8 divisors (see below), whose sum is σ = 55296192. Its totient is φ = 25344000.

The previous prime is 39744053. The next prime is 39744091. The reversal of 39744069 is 96044793.

39744069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 39744069 - 2⁴ = 39744053 is a prime.

It is a super-2 number, since 2×39744069² = 3159182041353522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 39744069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39744049) 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 7 ways as a sum of consecutive naturals, for example, 287932 + ... + 288069.

It is an arithmetic number, because the mean of its divisors is an integer number (6912024).

Almost surely, 2^39744069 is an apocalyptic number.

It is an amenable number.

39744069 is a deficient number, since it is larger than the sum of its proper divisors (15552123).

39744069 is a wasteful number, since it uses less digits than its factorization.

39744069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576027.

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 39744069 is about 6304.2897300172. The cubic root of 39744069 is about 341.2642350728.

The spelling of 39744069 in words is "thirty-nine million, seven hundred forty-four thousand, sixty-nine".