7529490 has 64 divisors (see below), whose sum is σ = 20390400. Its totient is φ = 1976832.

The previous prime is 7529471. The next prime is 7529519. The reversal of 7529490 is 949257.

It is a nialpdrome in base 14.

It is a zygodrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21154 + ... + 21506.

It is an arithmetic number, because the mean of its divisors is an integer number (318600).

Almost surely, 2^7529490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7529490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10195200).

7529490 is an abundant number, since it is smaller than the sum of its proper divisors (12860910).

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

7529490 is a wasteful number, since it uses less digits than its factorization.

7529490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 7529490 is about 2743.9916180630. The cubic root of 7529490 is about 195.9996008599. Note that the first 3 decimals are identical.

The spelling of 7529490 in words is "seven million, five hundred twenty-nine thousand, four hundred ninety".