38725727 has 4 divisors (see below), whose sum is σ = 39974976. Its totient is φ = 37476480.

The previous prime is 38725691. The next prime is 38725733. The reversal of 38725727 is 72752783.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38725727 - 2⁸ = 38725471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38725787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624578 + ... + 624639.

It is an arithmetic number, because the mean of its divisors is an integer number (9993744).

Almost surely, 2^38725727 is an apocalyptic number.

38725727 is a deficient number, since it is larger than the sum of its proper divisors (1249249).

38725727 is a wasteful number, since it uses less digits than its factorization.

38725727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249248.

The product of its digits is 164640, while the sum is 41.

The square root of 38725727 is about 6222.9998393058. Note that the first 3 decimals coincide. The cubic root of 38725727 is about 338.3243009768.

The spelling of 38725727 in words is "thirty-eight million, seven hundred twenty-five thousand, seven hundred twenty-seven".