7427474 has 4 divisors (see below), whose sum is σ = 11141214. Its totient is φ = 3713736.

The previous prime is 7427467. The next prime is 7427477. The reversal of 7427474 is 4747247.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4747247 = 31 ⋅153137.

It can be written as a sum of positive squares in only one way, i.e., 7425625 + 1849 = 2725^2 + 43^2 .

It is not an unprimeable number, because it can be changed into a prime (7427477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1856867 + ... + 1856870.

Almost surely, 2^7427474 is an apocalyptic number.

7427474 is a deficient number, since it is larger than the sum of its proper divisors (3713740).

7427474 is a wasteful number, since it uses less digits than its factorization.

7427474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3713739.

The product of its digits is 43904, while the sum is 35.

The square root of 7427474 is about 2725.3392449381. The cubic root of 7427474 is about 195.1103823875.

The spelling of 7427474 in words is "seven million, four hundred twenty-seven thousand, four hundred seventy-four".