725453842 has 8 divisors (see below), whose sum is σ = 1088314416. Its totient is φ = 362682372.

The previous prime is 725453791. The next prime is 725453843. The reversal of 725453842 is 248354527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 725453795 and 725453804.

It is not an unprimeable number, because it can be changed into a prime (725453843) 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, 4533 + ... + 38359.

It is an arithmetic number, because the mean of its divisors is an integer number (136039302).

Almost surely, 2^725453842 is an apocalyptic number.

725453842 is a deficient number, since it is larger than the sum of its proper divisors (362860574).

725453842 is a wasteful number, since it uses less digits than its factorization.

725453842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44552.

The product of its digits is 268800, while the sum is 40.

The square root of 725453842 is about 26934.2503515505. The cubic root of 725453842 is about 898.5383030521.

The spelling of 725453842 in words is "seven hundred twenty-five million, four hundred fifty-three thousand, eight hundred forty-two".