7204725 has 72 divisors (see below), whose sum is σ = 14624064. Its totient is φ = 3360000.

The previous prime is 7204699. The next prime is 7204733. The reversal of 7204725 is 5274027.

It is not a de Polignac number, because 7204725 - 2¹² = 7200629 is a prime.

7204725 is a lucky number.

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 in 71 ways as a sum of consecutive naturals, for example, 101440 + ... + 101510.

It is an arithmetic number, because the mean of its divisors is an integer number (203112).

Almost surely, 2^7204725 is an apocalyptic number.

7204725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7204725 is an abundant number, since it is smaller than the sum of its proper divisors (7419339).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7204725 is a wasteful number, since it uses less digits than its factorization.

7204725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 7204725 is about 2684.1618803641. The cubic root of 7204725 is about 193.1401078450.

It can be divided in two parts, 720 and 4725, that added together give a palindrome (5445).

The spelling of 7204725 in words is "seven million, two hundred four thousand, seven hundred twenty-five".