39720952 has 32 divisors (see below), whose sum is σ = 77432400. Its totient is φ = 19079424.

The previous prime is 39720937. The next prime is 39720953. The reversal of 39720952 is 25902793.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39720953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72343 + ... + 72889.

Almost surely, 2^39720952 is an apocalyptic number.

It is an amenable number.

39720952 is a deficient number, since it is larger than the sum of its proper divisors (37711448).

39720952 is a wasteful number, since it uses less digits than its factorization.

39720952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895 (or 891 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 39720952 is about 6302.4560292000. The cubic root of 39720952 is about 341.1980571872.

The spelling of 39720952 in words is "thirty-nine million, seven hundred twenty thousand, nine hundred fifty-two".