725286166 has 8 divisors (see below), whose sum is σ = 1186831944. Its totient is φ = 329675520.

The previous prime is 725286131. The next prime is 725286167. The reversal of 725286166 is 661682527.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725286167) 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, 16483755 + ... + 16483798.

It is an arithmetic number, because the mean of its divisors is an integer number (148353993).

Almost surely, 2^725286166 is an apocalyptic number.

725286166 is a deficient number, since it is larger than the sum of its proper divisors (461545778).

725286166 is a wasteful number, since it uses less digits than its factorization.

725286166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32967566.

The product of its digits is 241920, while the sum is 43.

The square root of 725286166 is about 26931.1374806190. The cubic root of 725286166 is about 898.4690705666.

The spelling of 725286166 in words is "seven hundred twenty-five million, two hundred eighty-six thousand, one hundred sixty-six".