73868238 has 48 divisors (see below), whose sum is σ = 172423680. Its totient is φ = 22779792.

The previous prime is 73868233. The next prime is 73868251. The reversal of 73868238 is 83286837.

It is a junction number, because it is equal to n+sod(n) for n = 73868193 and 73868202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73868233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12195 + ... + 17217.

It is an arithmetic number, because the mean of its divisors is an integer number (3592160).

Almost surely, 2^73868238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73868238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86211840).

73868238 is an abundant number, since it is smaller than the sum of its proper divisors (98555442).

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

73868238 is a wasteful number, since it uses less digits than its factorization.

73868238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5093 (or 5090 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 73868238 is about 8594.6633441921. The cubic root of 73868238 is about 419.5843166158.

It can be divided in two parts, 738682 and 38, that added together give a triangular number (738720 = T₁₂₁₅).

The spelling of 73868238 in words is "seventy-three million, eight hundred sixty-eight thousand, two hundred thirty-eight".