725707093 has 4 divisors (see below), whose sum is σ = 743407308. Its totient is φ = 708006880.

The previous prime is 725707051. The next prime is 725707121. The reversal of 725707093 is 390707527.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 133125444 + 592581649 = 11538^2 + 24343^2 .

It is a cyclic number.

It is not a de Polignac number, because 725707093 - 2²⁵ = 692152661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725707693) 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, 8850046 + ... + 8850127.

It is an arithmetic number, because the mean of its divisors is an integer number (185851827).

Almost surely, 2^725707093 is an apocalyptic number.

It is an amenable number.

725707093 is a deficient number, since it is larger than the sum of its proper divisors (17700215).

725707093 is a wasteful number, since it uses less digits than its factorization.

725707093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17700214.

The product of its (nonzero) digits is 92610, while the sum is 40.

The square root of 725707093 is about 26938.9512230896. The cubic root of 725707093 is about 898.6428487568.

The spelling of 725707093 in words is "seven hundred twenty-five million, seven hundred seven thousand, ninety-three".