738312842 has 4 divisors (see below), whose sum is σ = 1107469266. Its totient is φ = 369156420.

The previous prime is 738312793. The next prime is 738312863. The reversal of 738312842 is 248213837.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 248213837 = 463 ⋅536099.

It can be written as a sum of positive squares in only one way, i.e., 619960201 + 118352641 = 24899^2 + 10879^2 .

It is a junction number, because it is equal to n+sod(n) for n = 738312796 and 738312805.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184578209 + ... + 184578212.

Almost surely, 2^738312842 is an apocalyptic number.

738312842 is a deficient number, since it is larger than the sum of its proper divisors (369156424).

738312842 is a wasteful number, since it uses less digits than its factorization.

738312842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369156423.

The product of its digits is 64512, while the sum is 38.

The square root of 738312842 is about 27171.9127409169. The cubic root of 738312842 is about 903.8162405160.

The spelling of 738312842 in words is "seven hundred thirty-eight million, three hundred twelve thousand, eight hundred forty-two".