725394484 has 6 divisors (see below), whose sum is σ = 1269440354. Its totient is φ = 362697240.

The previous prime is 725394469. The next prime is 725394491. The reversal of 725394484 is 484493527.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 456762384 + 268632100 = 21372^2 + 16390^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90674307 + ... + 90674314.

Almost surely, 2^725394484 is an apocalyptic number.

It is an amenable number.

725394484 is a deficient number, since it is larger than the sum of its proper divisors (544045870).

725394484 is a wasteful number, since it uses less digits than its factorization.

725394484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181348625 (or 181348623 counting only the distinct ones).

The product of its digits is 967680, while the sum is 46.

The square root of 725394484 is about 26933.1484234577. The cubic root of 725394484 is about 898.5137956847.

The spelling of 725394484 in words is "seven hundred twenty-five million, three hundred ninety-four thousand, four hundred eighty-four".