7475490 has 80 divisors (see below), whose sum is σ = 21954240. Its totient is φ = 1810080.

The previous prime is 7475473. The next prime is 7475509. The reversal of 7475490 is 945747.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8491 + ... + 9329.

It is an arithmetic number, because the mean of its divisors is an integer number (274428).

Almost surely, 2^7475490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7475490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10977120).

7475490 is an abundant number, since it is smaller than the sum of its proper divisors (14478750).

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

7475490 is a wasteful number, since it uses less digits than its factorization.

7475490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 7475490 is about 2734.1342322571. The cubic root of 7475490 is about 195.5299195666.

The spelling of 7475490 in words is "seven million, four hundred seventy-five thousand, four hundred ninety".