38542736 has 20 divisors (see below), whose sum is σ = 74792832. Its totient is φ = 19241376.

The previous prime is 38542709. The next prime is 38542739. The reversal of 38542736 is 63724583.

It is a self number, because there is not a number n which added to its sum of digits gives 38542736.

It is not an unprimeable number, because it can be changed into a prime (38542739) 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, 11705 + ... + 14631.

Almost surely, 2^38542736 is an apocalyptic number.

It is an amenable number.

38542736 is a deficient number, since it is larger than the sum of its proper divisors (36250096).

38542736 is a wasteful number, since it uses less digits than its factorization.

38542736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3758 (or 3752 counting only the distinct ones).

The product of its digits is 120960, while the sum is 38.

The square root of 38542736 is about 6208.2796328774. The cubic root of 38542736 is about 337.7905638563.

The spelling of 38542736 in words is "thirty-eight million, five hundred forty-two thousand, seven hundred thirty-six".