39725042 has 8 divisors (see below), whose sum is σ = 68100096. Its totient is φ = 17025012.

The previous prime is 39725027. The next prime is 39725047. The reversal of 39725042 is 24052793.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (39725047) 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, 1418738 + ... + 1418765.

It is an arithmetic number, because the mean of its divisors is an integer number (8512512).

Almost surely, 2^39725042 is an apocalyptic number.

39725042 is a deficient number, since it is larger than the sum of its proper divisors (28375054).

39725042 is a wasteful number, since it uses less digits than its factorization.

39725042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837512.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 39725042 is about 6302.7804975265. The cubic root of 39725042 is about 341.2097676498.

The spelling of 39725042 in words is "thirty-nine million, seven hundred twenty-five thousand, forty-two".