7490223 has 12 divisors (see below), whose sum is σ = 11651640. Its totient is φ = 4609296.

The previous prime is 7490221. The next prime is 7490233. The reversal of 7490223 is 3220947.

It is not a de Polignac number, because 7490223 - 2¹ = 7490221 is a prime.

It is a super-2 number, since 2×7490223² = 112206881179458, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 7⁸ + 4² + 9 + 0 + 2 + 2¹⁷ + 3¹³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7490221) 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 11 ways as a sum of consecutive naturals, for example, 31893 + ... + 32126.

It is an arithmetic number, because the mean of its divisors is an integer number (970970).

Almost surely, 2^7490223 is an apocalyptic number.

7490223 is a deficient number, since it is larger than the sum of its proper divisors (4161417).

7490223 is a wasteful number, since it uses less digits than its factorization.

7490223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64038 (or 64035 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 7490223 is about 2736.8271775909. The cubic root of 7490223 is about 195.6582880473.

The spelling of 7490223 in words is "seven million, four hundred ninety thousand, two hundred twenty-three".