38743705 has 32 divisors (see below), whose sum is σ = 62431488. Its totient is φ = 22291200.

The previous prime is 38743703. The next prime is 38743709. The reversal of 38743705 is 50734783.

It is not a de Polignac number, because 38743705 - 2¹ = 38743703 is a prime.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (38743703) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1135 + ... + 8875.

It is an arithmetic number, because the mean of its divisors is an integer number (1950984).

Almost surely, 2^38743705 is an apocalyptic number.

38743705 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38743705 is a deficient number, since it is larger than the sum of its proper divisors (23687783).

38743705 is a wasteful number, since it uses less digits than its factorization.

38743705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7777.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 38743705 is about 6224.4441518902. Note that the first 3 decimals coincide. The cubic root of 38743705 is about 338.3766473433.

The spelling of 38743705 in words is "thirty-eight million, seven hundred forty-three thousand, seven hundred five".