725291846 has 4 divisors (see below), whose sum is σ = 1087937772. Its totient is φ = 362645922.

The previous prime is 725291813. The next prime is 725291857. The reversal of 725291846 is 648192527.

It is a happy number.

725291846 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 648192527 = 61 ⋅10626107.

It is a junction number, because it is equal to n+sod(n) for n = 725291797 and 725291806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181322960 + ... + 181322963.

It is an arithmetic number, because the mean of its divisors is an integer number (271984443).

Almost surely, 2^725291846 is an apocalyptic number.

725291846 is a deficient number, since it is larger than the sum of its proper divisors (362645926).

725291846 is a wasteful number, since it uses less digits than its factorization.

725291846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362645925.

The product of its digits is 241920, while the sum is 44.

The square root of 725291846 is about 26931.2429345547. The cubic root of 725291846 is about 898.4714159815.

The spelling of 725291846 in words is "seven hundred twenty-five million, two hundred ninety-one thousand, eight hundred forty-six".