7152720 has 40 divisors (see below), whose sum is σ = 22174176. Its totient is φ = 1907328.

The previous prime is 7152703. The next prime is 7152751. The reversal of 7152720 is 272517.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×7152720² = 102322806796800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14662 + ... + 15141.

Almost surely, 2^7152720 is an apocalyptic number.

It is an amenable number.

7152720 is an abundant number, since it is smaller than the sum of its proper divisors (15021456).

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

7152720 is a wasteful number, since it uses less digits than its factorization.

7152720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29819 (or 29813 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 7152720 is about 2674.4569542245. The cubic root of 7152720 is about 192.6742785566.

The spelling of 7152720 in words is "seven million, one hundred fifty-two thousand, seven hundred twenty".