39725343 has 16 divisors (see below), whose sum is σ = 67260160. Its totient is φ = 22700088.

The previous prime is 39725341. The next prime is 39725363. The reversal of 39725343 is 34352793.

It is not a de Polignac number, because 39725343 - 2¹ = 39725341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39725298 and 39725307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39725341) 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, 104905 + ... + 105282.

It is an arithmetic number, because the mean of its divisors is an integer number (4203760).

Almost surely, 2^39725343 is an apocalyptic number.

39725343 is a deficient number, since it is larger than the sum of its proper divisors (27534817).

39725343 is a wasteful number, since it uses less digits than its factorization.

39725343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210203 (or 210197 counting only the distinct ones).

The product of its digits is 68040, while the sum is 36.

The square root of 39725343 is about 6302.8043758314. The cubic root of 39725343 is about 341.2106294393.

The spelling of 39725343 in words is "thirty-nine million, seven hundred twenty-five thousand, three hundred forty-three".