38715742 has 8 divisors (see below), whose sum is σ = 62540856. Its totient is φ = 17868792.

The previous prime is 38715737. The next prime is 38715751. The reversal of 38715742 is 24751783.

38715742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×38715742² = 2997817357221128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 744508 + ... + 744559.

It is an arithmetic number, because the mean of its divisors is an integer number (7817607).

Almost surely, 2^38715742 is an apocalyptic number.

38715742 is a deficient number, since it is larger than the sum of its proper divisors (23825114).

38715742 is a wasteful number, since it uses less digits than its factorization.

38715742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489082.

The product of its digits is 47040, while the sum is 37.

The square root of 38715742 is about 6222.1975217764. The cubic root of 38715742 is about 338.2952207521.

It can be divided in two parts, 387 and 15742, that added together give a square (16129 = 127²).

The spelling of 38715742 in words is "thirty-eight million, seven hundred fifteen thousand, seven hundred forty-two".