7486720 has 36 divisors (see below), whose sum is σ = 17936100. Its totient is φ = 2994176.

The previous prime is 7486711. The next prime is 7486729. The reversal of 7486720 is 276847.

It is an interprime number because it is at equal distance from previous prime (7486711) and next prime (7486729).

It can be written as a sum of positive squares in 2 ways, for example, as 2611456 + 4875264 = 1616^2 + 2208^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7486729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1645 + ... + 4204.

It is an arithmetic number, because the mean of its divisors is an integer number (498225).

Almost surely, 2^7486720 is an apocalyptic number.

It is an amenable number.

7486720 is an abundant number, since it is smaller than the sum of its proper divisors (10449380).

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

7486720 is an equidigital number, since it uses as much as digits as its factorization.

7486720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5870 (or 5856 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 7486720 is about 2736.1871281036. The cubic root of 7486720 is about 195.6277817077.

The spelling of 7486720 in words is "seven million, four hundred eighty-six thousand, seven hundred twenty".