7489660 has 12 divisors (see below), whose sum is σ = 15728328. Its totient is φ = 2995856.

The previous prime is 7489649. The next prime is 7489681. The reversal of 7489660 is 669847.

7489660 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187222 + ... + 187261.

It is an arithmetic number, because the mean of its divisors is an integer number (1310694).

Almost surely, 2^7489660 is an apocalyptic number.

It is an amenable number.

7489660 is an abundant number, since it is smaller than the sum of its proper divisors (8238668).

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

7489660 is a wasteful number, since it uses less digits than its factorization.

7489660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374492 (or 374490 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 7489660 is about 2736.7243193278. The cubic root of 7489660 is about 195.6533857288.

The spelling of 7489660 in words is "seven million, four hundred eighty-nine thousand, six hundred sixty".