7272120 has 32 divisors (see below), whose sum is σ = 21816720. Its totient is φ = 1939200.

The previous prime is 7272119. The next prime is 7272121. The reversal of 7272120 is 212727.

It is an interprime number because it is at equal distance from previous prime (7272119) and next prime (7272121).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7272121) 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, 30181 + ... + 30420.

Almost surely, 2^7272120 is an apocalyptic number.

It is an amenable number.

7272120 is an abundant number, since it is smaller than the sum of its proper divisors (14544600).

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

7272120 is a wasteful number, since it uses less digits than its factorization.

7272120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60615 (or 60611 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 7272120 is about 2696.6868561255. The cubic root of 7272120 is about 193.7404684871.

Adding to 7272120 its reverse (212727), we get a palindrome (7484847).

The spelling of 7272120 in words is "seven million, two hundred seventy-two thousand, one hundred twenty".