7272080 has 20 divisors (see below), whose sum is σ = 16907772. Its totient is φ = 2908800.

The previous prime is 7272061. The next prime is 7272119. The reversal of 7272080 is 802727.

It can be written as a sum of positive squares in 2 ways, for example, as 1721344 + 5550736 = 1312^2 + 2356^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45371 + ... + 45530.

Almost surely, 2^7272080 is an apocalyptic number.

It is an amenable number.

7272080 is an abundant number, since it is smaller than the sum of its proper divisors (9635692).

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

7272080 is a wasteful number, since it uses less digits than its factorization.

7272080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90914 (or 90908 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 7272080 is about 2696.6794396072. The cubic root of 7272080 is about 193.7401132659.

The spelling of 7272080 in words is "seven million, two hundred seventy-two thousand, eighty".