725223347 has 4 divisors (see below), whose sum is σ = 744824016. Its totient is φ = 705622680.

The previous prime is 725223341. The next prime is 725223361. The reversal of 725223347 is 743322527.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 743322527 = 751 ⋅989777.

It is a cyclic number.

It is not a de Polignac number, because 725223347 - 2⁸ = 725223091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (725223341) 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, 9800279 + ... + 9800352.

It is an arithmetic number, because the mean of its divisors is an integer number (186206004).

Almost surely, 2^725223347 is an apocalyptic number.

725223347 is a deficient number, since it is larger than the sum of its proper divisors (19600669).

725223347 is a wasteful number, since it uses less digits than its factorization.

725223347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19600668.

The product of its digits is 70560, while the sum is 35.

The square root of 725223347 is about 26929.9711659705. The cubic root of 725223347 is about 898.4431302041.

The spelling of 725223347 in words is "seven hundred twenty-five million, two hundred twenty-three thousand, three hundred forty-seven".