39740115 has 16 divisors (see below), whose sum is σ = 66931200. Its totient is φ = 20079072.

The previous prime is 39740093. The next prime is 39740119. The reversal of 39740115 is 51104793.

It is not a de Polignac number, because 39740115 - 2⁵ = 39740083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39740119) 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, 69435 + ... + 70004.

It is an arithmetic number, because the mean of its divisors is an integer number (4183200).

Almost surely, 2^39740115 is an apocalyptic number.

39740115 is a deficient number, since it is larger than the sum of its proper divisors (27191085).

39740115 is a wasteful number, since it uses less digits than its factorization.

39740115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139466.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 39740115 is about 6303.9761262238. The cubic root of 39740115 is about 341.2529176313.

The spelling of 39740115 in words is "thirty-nine million, seven hundred forty thousand, one hundred fifteen".