38750000 has 80 divisors (see below), whose sum is σ = 96874752. Its totient is φ = 15000000.

The previous prime is 38749999. The next prime is 38750011. The reversal of 38750000 is 5783.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1249985 + ... + 1250015.

Almost surely, 2^38750000 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 38750000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48437376).

38750000 is an abundant number, since it is smaller than the sum of its proper divisors (58124752).

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

38750000 is an frugal number, since it uses more digits than its factorization.

38750000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 38 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 38750000 is about 6224.9497989944. The cubic root of 38750000 is about 338.3949726054.

Adding to 38750000 its reverse (5783), we get a palindrome (38755783).

The spelling of 38750000 in words is "thirty-eight million, seven hundred fifty thousand".