723425 has 12 divisors (see below), whose sum is σ = 944880. Its totient is φ = 547920.

The previous prime is 723421. The next prime is 723439. The reversal of 723425 is 524327.

It is not a de Polignac number, because 723425 - 2² = 723421 is a prime.

It is a d-powerful number, because it can be written as 7⁴ + 2¹⁷ + 4⁸ + 3 + 2¹⁹ + 5³ .

It is a self number, because there is not a number n which added to its sum of digits gives 723425.

It is not an unprimeable number, because it can be changed into a prime (723421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 287 + ... + 1236.

It is an arithmetic number, because the mean of its divisors is an integer number (78740).

2⁷²³⁴²⁵ is an apocalyptic number.

It is an amenable number.

723425 is a deficient number, since it is larger than the sum of its proper divisors (221455).

723425 is a wasteful number, since it uses less digits than its factorization.

723425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552 (or 1547 counting only the distinct ones).

The product of its digits is 1680, while the sum is 23.

The square root of 723425 is about 850.5439436032. The cubic root of 723425 is about 89.7699887974.

It can be divided in two parts, 7 and 23425, that added together give a palindrome (23432).

The spelling of 723425 in words is "seven hundred twenty-three thousand, four hundred twenty-five".