7219725 has 12 divisors (see below), whose sum is σ = 11936736. Its totient is φ = 3850480.

The previous prime is 7219703. The next prime is 7219727. The reversal of 7219725 is 5279127.

It is not a de Polignac number, because 7219725 - 2⁶ = 7219661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7219727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48057 + ... + 48206.

It is an arithmetic number, because the mean of its divisors is an integer number (994728).

Almost surely, 2^7219725 is an apocalyptic number.

7219725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7219725 is a deficient number, since it is larger than the sum of its proper divisors (4717011).

7219725 is a wasteful number, since it uses less digits than its factorization.

7219725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96276 (or 96271 counting only the distinct ones).

The product of its digits is 8820, while the sum is 33.

The square root of 7219725 is about 2686.9545958203. The cubic root of 7219725 is about 193.2740520452.

The spelling of 7219725 in words is "seven million, two hundred nineteen thousand, seven hundred twenty-five".