7485574442 has 32 divisors (see below), whose sum is σ = 11457450000. Its totient is φ = 3667378176.

The previous prime is 7485574441. The next prime is 7485574463. The reversal of 7485574442 is 2444755847.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 6396640441 + 1088934001 = 79979^2 + 32999^2 .

It is a super-2 number, since 2×7485574442² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7485574441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16671434 + ... + 16671882.

Almost surely, 2^7485574442 is an apocalyptic number.

7485574442 is a deficient number, since it is larger than the sum of its proper divisors (3971875558).

7485574442 is a wasteful number, since it uses less digits than its factorization.

7485574442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178.

The product of its digits is 5017600, while the sum is 50.

The square root of 7485574442 is about 86519.2142937047. The cubic root of 7485574442 is about 1956.1780339941.

The spelling of 7485574442 in words is "seven billion, four hundred eighty-five million, five hundred seventy-four thousand, four hundred forty-two".