725552206 has 4 divisors (see below), whose sum is σ = 1088328312. Its totient is φ = 362776102.

The previous prime is 725552167. The next prime is 725552213. The reversal of 725552206 is 602255527.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 181388050 + ... + 181388053.

It is an arithmetic number, because the mean of its divisors is an integer number (272082078).

Almost surely, 2^725552206 is an apocalyptic number.

725552206 is a deficient number, since it is larger than the sum of its proper divisors (362776106).

725552206 is a wasteful number, since it uses less digits than its factorization.

725552206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362776105.

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 725552206 is about 26936.0762918432. The cubic root of 725552206 is about 898.5789120346.

The spelling of 725552206 in words is "seven hundred twenty-five million, five hundred fifty-two thousand, two hundred six".