38747975 has 36 divisors (see below), whose sum is σ = 57165984. Its totient is φ = 25966080.

The previous prime is 38747963. The next prime is 38747977. The reversal of 38747975 is 57974783.

It is not a de Polignac number, because 38747975 - 2¹⁶ = 38682439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38747977) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 57239 + ... + 57911.

It is an arithmetic number, because the mean of its divisors is an integer number (1587944).

Almost surely, 2^38747975 is an apocalyptic number.

38747975 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

38747975 is a deficient number, since it is larger than the sum of its proper divisors (18418009).

38747975 is a wasteful number, since it uses less digits than its factorization.

38747975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744 (or 732 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 50.

The square root of 38747975 is about 6224.7871449552. The cubic root of 38747975 is about 338.3890778806.

The spelling of 38747975 in words is "thirty-eight million, seven hundred forty-seven thousand, nine hundred seventy-five".