39725 has 12 divisors (see below), whose sum is σ = 56544. Its totient is φ = 27120.

The previous prime is 39719. The next prime is 39727. The reversal of 39725 is 52793.

It is not a de Polignac number, because 39725 - 2⁴ = 39709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 39694 and 39703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62 + ... + 288.

It is an arithmetic number, because the mean of its divisors is an integer number (4712).

2³⁹⁷²⁵ is an apocalyptic number.

39725 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

39725 is a deficient number, since it is larger than the sum of its proper divisors (16819).

39725 is a wasteful number, since it uses less digits than its factorization.

39725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 239 counting only the distinct ones).

The product of its digits is 1890, while the sum is 26.

The square root of 39725 is about 199.3113142799. The cubic root of 39725 is about 34.1209647400.

The spelling of 39725 in words is "thirty-nine thousand, seven hundred twenty-five".