738804520 has 16 divisors (see below), whose sum is σ = 1662310260. Its totient is φ = 295521792.

The previous prime is 738804503. The next prime is 738804523. The reversal of 738804520 is 25408837.

It can be written as a sum of positive squares in 2 ways, for example, as 712569636 + 26234884 = 26694^2 + 5122^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 738804520.

It is not an unprimeable number, because it can be changed into a prime (738804523) 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, 9235017 + ... + 9235096.

Almost surely, 2^738804520 is an apocalyptic number.

It is an amenable number.

738804520 is an abundant number, since it is smaller than the sum of its proper divisors (923505740).

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

738804520 is a wasteful number, since it uses less digits than its factorization.

738804520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18470124 (or 18470120 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 738804520 is about 27180.9587763199. The cubic root of 738804520 is about 904.0168275511.

It can be divided in two parts, 73880 and 4520, that added together give a square (78400 = 280²).

The spelling of 738804520 in words is "seven hundred thirty-eight million, eight hundred four thousand, five hundred twenty".