725571206 has 4 divisors (see below), whose sum is σ = 1088356812. Its totient is φ = 362785602.

The previous prime is 725571167. The next prime is 725571211. The reversal of 725571206 is 602175527.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181392800 + ... + 181392803.

It is an arithmetic number, because the mean of its divisors is an integer number (272089203).

Almost surely, 2^725571206 is an apocalyptic number.

725571206 is a deficient number, since it is larger than the sum of its proper divisors (362785606).

725571206 is a wasteful number, since it uses less digits than its factorization.

725571206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362785605.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 725571206 is about 26936.4289763881. The cubic root of 725571206 is about 898.5867556468.

The spelling of 725571206 in words is "seven hundred twenty-five million, five hundred seventy-one thousand, two hundred six".