38705725 has 12 divisors (see below), whose sum is σ = 48473460. Its totient is φ = 30656000.

The previous prime is 38705713. The next prime is 38705731. The reversal of 38705725 is 52750783.

It can be written as a sum of positive squares in 6 ways, for example, as 290521 + 38415204 = 539^2 + 6198^2 .

It is not a de Polignac number, because 38705725 - 2¹¹ = 38703677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5140 + ... + 10189.

It is an arithmetic number, because the mean of its divisors is an integer number (4039455).

Almost surely, 2^38705725 is an apocalyptic number.

It is an amenable number.

38705725 is a deficient number, since it is larger than the sum of its proper divisors (9767735).

38705725 is a wasteful number, since it uses less digits than its factorization.

38705725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15440 (or 15435 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 38705725 is about 6221.3925290083. The cubic root of 38705725 is about 338.2660423064.

The spelling of 38705725 in words is "thirty-eight million, seven hundred five thousand, seven hundred twenty-five".