38133750 has 40 divisors (see below), whose sum is σ = 95313240. Its totient is φ = 10168000.

The previous prime is 38133749. The next prime is 38133757. The reversal of 38133750 is 5733183.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38133757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1335 + ... + 8834.

It is an arithmetic number, because the mean of its divisors is an integer number (2382831).

Almost surely, 2^38133750 is an apocalyptic number.

38133750 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38133750 is an abundant number, since it is smaller than the sum of its proper divisors (57179490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38133750 is a wasteful number, since it uses less digits than its factorization.

38133750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10194 (or 10179 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 38133750 is about 6175.2530312531. The cubic root of 38133750 is about 336.5915210951.

It can be divided in two parts, 38133 and 750, that added together give a palindrome (38883).

The spelling of 38133750 in words is "thirty-eight million, one hundred thirty-three thousand, seven hundred fifty".