38673281724 has 96 divisors (see below), whose sum is σ = 113009197056. Its totient is φ = 9999910080.

The previous prime is 38673281651. The next prime is 38673281729. The reversal of 38673281724 is 42718237683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38673281729) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112209 + ... + 299895.

It is an arithmetic number, because the mean of its divisors is an integer number (1177179136).

Almost surely, 2^38673281724 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 38673281724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56504598528).

38673281724 is an abundant number, since it is smaller than the sum of its proper divisors (74335915332).

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

38673281724 is a wasteful number, since it uses less digits than its factorization.

38673281724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187935 (or 187933 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 51.

The spelling of 38673281724 in words is "thirty-eight billion, six hundred seventy-three million, two hundred eighty-one thousand, seven hundred twenty-four".