725415943 has 6 divisors (see below), whose sum is σ = 843851256. Its totient is φ = 621785052.

The previous prime is 725415931. The next prime is 725415961. The reversal of 725415943 is 349514527.

It is a happy number.

It is not a de Polignac number, because 725415943 - 2¹³ = 725407751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 725415896 and 725415905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725415923) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7402155 + ... + 7402252.

It is an arithmetic number, because the mean of its divisors is an integer number (140641876).

Almost surely, 2^725415943 is an apocalyptic number.

725415943 is a deficient number, since it is larger than the sum of its proper divisors (118435313).

725415943 is a wasteful number, since it uses less digits than its factorization.

725415943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14804421 (or 14804414 counting only the distinct ones).

The product of its digits is 151200, while the sum is 40.

The square root of 725415943 is about 26933.5467957713. The cubic root of 725415943 is about 898.5226556995.

The spelling of 725415943 in words is "seven hundred twenty-five million, four hundred fifteen thousand, nine hundred forty-three".