733138938 has 80 divisors (see below), whose sum is σ = 1959154560. Its totient is φ = 200353824.

The previous prime is 733138907. The next prime is 733138943. The reversal of 733138938 is 839831337.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 733138893 and 733138902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12028 + ... + 40136.

It is an arithmetic number, because the mean of its divisors is an integer number (24489432).

Almost surely, 2^733138938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 733138938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (979577280).

733138938 is an abundant number, since it is smaller than the sum of its proper divisors (1226015622).

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

733138938 is a wasteful number, since it uses less digits than its factorization.

733138938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28153 (or 28144 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 733138938 is about 27076.5385158443. The cubic root of 733138938 is about 901.7000533321.

The spelling of 733138938 in words is "seven hundred thirty-three million, one hundred thirty-eight thousand, nine hundred thirty-eight".