38750724 has 84 divisors (see below), whose sum is σ = 103472124. Its totient is φ = 12690432.

The previous prime is 38750711. The next prime is 38750731. The reversal of 38750724 is 42705783.

It can be written as a sum of positive squares in 2 ways, for example, as 20088324 + 18662400 = 4482^2 + 4320^2 .

It is a super-2 number, since 2×38750724² = 3003237221048352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 282784 + ... + 282920.

It is an arithmetic number, because the mean of its divisors is an integer number (1231811).

Almost surely, 2^38750724 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38750724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51736062).

38750724 is an abundant number, since it is smaller than the sum of its proper divisors (64721400).

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

38750724 is a wasteful number, since it uses less digits than its factorization.

38750724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 38750724 is about 6225.0079518022. The cubic root of 38750724 is about 338.3970801016.

The spelling of 38750724 in words is "thirty-eight million, seven hundred fifty thousand, seven hundred twenty-four".