39540067 has 16 divisors (see below), whose sum is σ = 46360512. Its totient is φ = 33022080.

The previous prime is 39540049. The next prime is 39540073. The reversal of 39540067 is 76004593.

It is not a de Polignac number, because 39540067 - 2¹¹ = 39538019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39540367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72817 + ... + 73357.

It is an arithmetic number, because the mean of its divisors is an integer number (2897532).

Almost surely, 2^39540067 is an apocalyptic number.

39540067 is a deficient number, since it is larger than the sum of its proper divisors (6820445).

39540067 is a wasteful number, since it uses less digits than its factorization.

39540067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 39540067 is about 6288.0892964397. The cubic root of 39540067 is about 340.6793424171.

The spelling of 39540067 in words is "thirty-nine million, five hundred forty thousand, sixty-seven".