738781223 has 4 divisors (see below), whose sum is σ = 782238960. Its totient is φ = 695323488.

The previous prime is 738781217. The next prime is 738781259. The reversal of 738781223 is 322187837.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 738781223 - 2⁴ = 738781207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (738781213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21728843 + ... + 21728876.

It is an arithmetic number, because the mean of its divisors is an integer number (195559740).

Almost surely, 2^738781223 is an apocalyptic number.

738781223 is a deficient number, since it is larger than the sum of its proper divisors (43457737).

738781223 is a wasteful number, since it uses less digits than its factorization.

738781223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43457736.

The product of its digits is 112896, while the sum is 41.

The square root of 738781223 is about 27180.5302192580. The cubic root of 738781223 is about 904.0073252174.

The spelling of 738781223 in words is "seven hundred thirty-eight million, seven hundred eighty-one thousand, two hundred twenty-three".