38475757 has 6 divisors (see below), whose sum is σ = 40221902. Its totient is φ = 36802392.

The previous prime is 38475739. The next prime is 38475761. The reversal of 38475757 is 75757483.

It can be written as a sum of positive squares in only one way, i.e., 37711881 + 763876 = 6141^2 + 874^2 .

It is not a de Polignac number, because 38475757 - 2⁷ = 38475629 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 (38475737) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35838 + ... + 36895.

Almost surely, 2^38475757 is an apocalyptic number.

It is an amenable number.

38475757 is a deficient number, since it is larger than the sum of its proper divisors (1746145).

38475757 is an equidigital number, since it uses as much as digits as its factorization.

38475757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72779 (or 72756 counting only the distinct ones).

The product of its digits is 823200, while the sum is 46.

The square root of 38475757 is about 6202.8829587539. The cubic root of 38475757 is about 337.5947812444.

It can be divided in two parts, 3847 and 5757, that added together give a square (9604 = 98²).

The spelling of 38475757 in words is "thirty-eight million, four hundred seventy-five thousand, seven hundred fifty-seven".