7488990 has 32 divisors (see below), whose sum is σ = 19971360. Its totient is φ = 1996992.

The previous prime is 7488973. The next prime is 7488991. The reversal of 7488990 is 998847.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7488991) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13599 + ... + 14138.

It is an arithmetic number, because the mean of its divisors is an integer number (624105).

Almost surely, 2^7488990 is an apocalyptic number.

7488990 is an abundant number, since it is smaller than the sum of its proper divisors (12482370).

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

7488990 is a wasteful number, since it uses less digits than its factorization.

7488990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27753 (or 27747 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 7488990 is about 2736.6019074758. The cubic root of 7488990 is about 195.6475513884.

The spelling of 7488990 in words is "seven million, four hundred eighty-eight thousand, nine hundred ninety".