7490505 has 24 divisors (see below), whose sum is σ = 13176576. Its totient is φ = 3630880.

The previous prime is 7490491. The next prime is 7490513. The reversal of 7490505 is 5050947.

7490505 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7490505 - 2⁷ = 7490377 is a prime.

It is a super-2 number, since 2×7490505² = 112215330310050, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 249 + ... + 3878.

It is an arithmetic number, because the mean of its divisors is an integer number (549024).

Almost surely, 2^7490505 is an apocalyptic number.

It is an amenable number.

7490505 is a deficient number, since it is larger than the sum of its proper divisors (5686071).

7490505 is a wasteful number, since it uses less digits than its factorization.

7490505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4157 (or 4146 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 7490505 is about 2736.8786966177. The cubic root of 7490505 is about 195.6607434679.

The spelling of 7490505 in words is "seven million, four hundred ninety thousand, five hundred five".