7408720 has 40 divisors (see below), whose sum is σ = 18793440. Its totient is φ = 2693760.

The previous prime is 7408703. The next prime is 7408733. The reversal of 7408720 is 278047.

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

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, 3330 + ... + 5089.

It is an arithmetic number, because the mean of its divisors is an integer number (469836).

Almost surely, 2^7408720 is an apocalyptic number.

It is an amenable number.

7408720 is an abundant number, since it is smaller than the sum of its proper divisors (11384720).

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

7408720 is a wasteful number, since it uses less digits than its factorization.

7408720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8443 (or 8437 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 7408720 is about 2721.8963977345. The cubic root of 7408720 is about 194.9460293329.

It can be divided in two parts, 7408 and 720, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 7408720 in words is "seven million, four hundred eight thousand, seven hundred twenty".