725597146 has 16 divisors (see below), whose sum is σ = 1150099200. Its totient is φ = 342630288.

The previous prime is 725597143. The next prime is 725597149. The reversal of 725597146 is 641795527.

It is an interprime number because it is at equal distance from previous prime (725597143) and next prime (725597149).

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 725597096 and 725597105.

It is not an unprimeable number, because it can be changed into a prime (725597143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96201 + ... + 103468.

It is an arithmetic number, because the mean of its divisors is an integer number (71881200).

Almost surely, 2^725597146 is an apocalyptic number.

725597146 is a deficient number, since it is larger than the sum of its proper divisors (424502054).

725597146 is a wasteful number, since it uses less digits than its factorization.

725597146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199773.

The product of its digits is 529200, while the sum is 46.

The square root of 725597146 is about 26936.9104761478. The cubic root of 725597146 is about 898.5974640204.

It can be divided in two parts, 7255 and 97146, that added together give a palindrome (104401).

The spelling of 725597146 in words is "seven hundred twenty-five million, five hundred ninety-seven thousand, one hundred forty-six".