39600725 has 12 divisors (see below), whose sum is σ = 49728960. Its totient is φ = 31278000.

The previous prime is 39600713. The next prime is 39600727. The reversal of 39600725 is 52700693.

It is not a de Polignac number, because 39600725 - 2⁶ = 39600661 is a prime.

It is a super-3 number, since 3×39600725³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 39600691 and 39600700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39600727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8051 + ... + 12000.

It is an arithmetic number, because the mean of its divisors is an integer number (4144080).

Almost surely, 2^39600725 is an apocalyptic number.

It is an amenable number.

39600725 is a deficient number, since it is larger than the sum of its proper divisors (10128235).

39600725 is a wasteful number, since it uses less digits than its factorization.

39600725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20140 (or 20135 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 39600725 is about 6292.9106937887. The cubic root of 39600725 is about 340.8534642706.

Subtracting from 39600725 its sum of digits (32), we obtain a palindrome (39600693).

The spelling of 39600725 in words is "thirty-nine million, six hundred thousand, seven hundred twenty-five".