725179396 has 12 divisors (see below), whose sum is σ = 1276076620. Its totient is φ = 360586080.

The previous prime is 725179393. The next prime is 725179439. The reversal of 725179396 is 693971527.

It can be written as a sum of positive squares in 2 ways, for example, as 346332100 + 378847296 = 18610^2 + 19464^2 .

It is not an unprimeable number, because it can be changed into a prime (725179393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500091 + ... + 501538.

Almost surely, 2^725179396 is an apocalyptic number.

It is an amenable number.

725179396 is a deficient number, since it is larger than the sum of its proper divisors (550897224).

725179396 is a wasteful number, since it uses less digits than its factorization.

725179396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001814 (or 1001812 counting only the distinct ones).

The product of its digits is 714420, while the sum is 49.

The square root of 725179396 is about 26929.1551297103. The cubic root of 725179396 is about 898.4249802682.

The spelling of 725179396 in words is "seven hundred twenty-five million, one hundred seventy-nine thousand, three hundred ninety-six".