738520546 has 4 divisors (see below), whose sum is σ = 1107780822. Its totient is φ = 369260272.

The previous prime is 738520513. The next prime is 738520553. The reversal of 738520546 is 645025837.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 645025837 = 523 ⋅1233319.

It can be written as a sum of positive squares in only one way, i.e., 463325625 + 275194921 = 21525^2 + 16589^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 738520499 and 738520508.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184630135 + ... + 184630138.

Almost surely, 2^738520546 is an apocalyptic number.

738520546 is a deficient number, since it is larger than the sum of its proper divisors (369260276).

738520546 is a wasteful number, since it uses less digits than its factorization.

738520546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369260275.

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 738520546 is about 27175.7345070929. The cubic root of 738520546 is about 903.9009871783.

It can be divided in two parts, 738 and 520546, that added together give a square (521284 = 722²).

The spelling of 738520546 in words is "seven hundred thirty-eight million, five hundred twenty thousand, five hundred forty-six".