39707245 has 16 divisors (see below), whose sum is σ = 51229440. Its totient is φ = 29450304.

The previous prime is 39707243. The next prime is 39707251. The reversal of 39707245 is 54270793.

It is not a de Polignac number, because 39707245 - 2¹ = 39707243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39707243) 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, 19 + ... + 8911.

It is an arithmetic number, because the mean of its divisors is an integer number (3201840).

Almost surely, 2^39707245 is an apocalyptic number.

It is an amenable number.

39707245 is a deficient number, since it is larger than the sum of its proper divisors (11522195).

39707245 is a wasteful number, since it uses less digits than its factorization.

39707245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8964.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 39707245 is about 6301.3685021589. The cubic root of 39707245 is about 341.1588055279.

The spelling of 39707245 in words is "thirty-nine million, seven hundred seven thousand, two hundred forty-five".