39975465 has 8 divisors (see below), whose sum is σ = 63960768. Its totient is φ = 21320240.

The previous prime is 39975443. The next prime is 39975469. The reversal of 39975465 is 56457993.

39975465 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 39975465 - 2⁶ = 39975401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39975469) 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, 1332501 + ... + 1332530.

It is an arithmetic number, because the mean of its divisors is an integer number (7995096).

Almost surely, 2^39975465 is an apocalyptic number.

It is an amenable number.

39975465 is a deficient number, since it is larger than the sum of its proper divisors (23985303).

39975465 is a wasteful number, since it uses less digits than its factorization.

39975465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2665039.

The product of its digits is 1020600, while the sum is 48.

The square root of 39975465 is about 6322.6153607506. The cubic root of 39975465 is about 341.9252512675.

The spelling of 39975465 in words is "thirty-nine million, nine hundred seventy-five thousand, four hundred sixty-five".