38734739 has 8 divisors (see below), whose sum is σ = 39536640. Its totient is φ = 37937800.

The previous prime is 38734733. The next prime is 38734741. The reversal of 38734739 is 93743783.

38734739 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 cyclic number.

It is not a de Polignac number, because 38734739 - 2⁴ = 38734723 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38734739.

It is not an unprimeable number, because it can be changed into a prime (38734733) 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 7 ways as a sum of consecutive naturals, for example, 17294 + ... + 19404.

It is an arithmetic number, because the mean of its divisors is an integer number (4942080).

Almost surely, 2^38734739 is an apocalyptic number.

38734739 is a deficient number, since it is larger than the sum of its proper divisors (801901).

38734739 is a wasteful number, since it uses less digits than its factorization.

38734739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2481.

The product of its digits is 381024, while the sum is 44.

The square root of 38734739 is about 6223.7238852635. The cubic root of 38734739 is about 338.3505431535.

The spelling of 38734739 in words is "thirty-eight million, seven hundred thirty-four thousand, seven hundred thirty-nine".