39680474 has 32 divisors (see below), whose sum is σ = 66286080. Its totient is φ = 17729712.

The previous prime is 39680461. The next prime is 39680477. The reversal of 39680474 is 47408693.

It is not an unprimeable number, because it can be changed into a prime (39680477) 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, 72269 + ... + 72815.

It is an arithmetic number, because the mean of its divisors is an integer number (2071440).

Almost surely, 2^39680474 is an apocalyptic number.

39680474 is a deficient number, since it is larger than the sum of its proper divisors (26605606).

39680474 is a wasteful number, since it uses less digits than its factorization.

39680474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 39680474 is about 6299.2439228847. The cubic root of 39680474 is about 341.0821174599.

The spelling of 39680474 in words is "thirty-nine million, six hundred eighty thousand, four hundred seventy-four".