725589470 has 32 divisors (see below), whose sum is σ = 1336974336. Its totient is φ = 283444000.

The previous prime is 725589467. The next prime is 725589511. The reversal of 725589470 is 74985527.

It is a happy number.

It is a congruent number.

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, 71195 + ... + 80745.

It is an arithmetic number, because the mean of its divisors is an integer number (41780448).

Almost surely, 2^725589470 is an apocalyptic number.

725589470 is a deficient number, since it is larger than the sum of its proper divisors (611384866).

725589470 is a wasteful number, since it uses less digits than its factorization.

725589470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9736.

The product of its (nonzero) digits is 705600, while the sum is 47.

The square root of 725589470 is about 26936.7679946945. The cubic root of 725589470 is about 898.5942952931.

It can be divided in two parts, 72558 and 9470, that added together give a palindrome (82028).

The spelling of 725589470 in words is "seven hundred twenty-five million, five hundred eighty-nine thousand, four hundred seventy".