7470224 has 20 divisors (see below), whose sum is σ = 14521020. Its totient is φ = 3722880.

The previous prime is 7470223. The next prime is 7470233. The reversal of 7470224 is 4220747.

It can be written as a sum of positive squares in 2 ways, for example, as 71824 + 7398400 = 268^2 + 2720^2 .

It is a super-2 number, since 2×7470224² = 111608493220352, which contains 22 as substring.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7470193 and 7470202.

It is not an unprimeable number, because it can be changed into a prime (7470223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6182 + ... + 7290.

It is an arithmetic number, because the mean of its divisors is an integer number (726051).

Almost surely, 2^7470224 is an apocalyptic number.

It is an amenable number.

7470224 is a deficient number, since it is larger than the sum of its proper divisors (7050796).

7470224 is a wasteful number, since it uses less digits than its factorization.

7470224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538 (or 1532 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 26.

The square root of 7470224 is about 2733.1710520932. The cubic root of 7470224 is about 195.4839960473.

The spelling of 7470224 in words is "seven million, four hundred seventy thousand, two hundred twenty-four".