38112742 has 24 divisors (see below), whose sum is σ = 61205976. Its totient is φ = 17795328.

The previous prime is 38112677. The next prime is 38112743. The reversal of 38112742 is 24721183.

38112742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×38112742² = 2905162205517128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38112742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38112743) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 134533 + ... + 134815.

It is an arithmetic number, because the mean of its divisors is an integer number (2550249).

Almost surely, 2^38112742 is an apocalyptic number.

38112742 is a deficient number, since it is larger than the sum of its proper divisors (23093234).

38112742 is a wasteful number, since it uses less digits than its factorization.

38112742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552 (or 535 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 38112742 is about 6173.5518139884. The cubic root of 38112742 is about 336.5296999736.

The spelling of 38112742 in words is "thirty-eight million, one hundred twelve thousand, seven hundred forty-two".