39745708 has 12 divisors (see below), whose sum is σ = 69629560. Its totient is φ = 19851552.

The previous prime is 39745703. The next prime is 39745721. The reversal of 39745708 is 80754793.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (39745703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678 + ... + 8941.

Almost surely, 2^39745708 is an apocalyptic number.

It is an amenable number.

39745708 is a deficient number, since it is larger than the sum of its proper divisors (29883852).

39745708 is a wasteful number, since it uses less digits than its factorization.

39745708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10656 (or 10654 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 39745708 is about 6304.4197195301. The cubic root of 39745708 is about 341.2689261241.

The spelling of 39745708 in words is "thirty-nine million, seven hundred forty-five thousand, seven hundred eight".