725166546 has 32 divisors (see below), whose sum is σ = 1563141888. Its totient is φ = 222950400.

The previous prime is 725166529. The next prime is 725166583. The reversal of 725166546 is 645661527.

725166546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 725166498 and 725166507.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121975 + ... + 127781.

It is an arithmetic number, because the mean of its divisors is an integer number (48848184).

Almost surely, 2^725166546 is an apocalyptic number.

725166546 is an abundant number, since it is smaller than the sum of its proper divisors (837975342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

725166546 is a wasteful number, since it uses less digits than its factorization.

725166546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7426.

The product of its digits is 302400, while the sum is 42.

The square root of 725166546 is about 26928.9165396605. The cubic root of 725166546 is about 898.4196736139.

The spelling of 725166546 in words is "seven hundred twenty-five million, one hundred sixty-six thousand, five hundred forty-six".