7442536 has 16 divisors (see below), whose sum is σ = 14112900. Its totient is φ = 3679104.

The previous prime is 7442521. The next prime is 7442551. The reversal of 7442536 is 6352447.

It is an interprime number because it is at equal distance from previous prime (7442521) and next prime (7442551).

It can be written as a sum of positive squares in 2 ways, for example, as 7257636 + 184900 = 2694^2 + 430^2 .

It is a super-2 number, since 2×7442536² = 110782684222592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7442498 and 7442507.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4515 + ... + 5938.

Almost surely, 2^7442536 is an apocalyptic number.

It is an amenable number.

7442536 is a deficient number, since it is larger than the sum of its proper divisors (6670364).

7442536 is a wasteful number, since it uses less digits than its factorization.

7442536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10548 (or 10544 counting only the distinct ones).

The product of its digits is 20160, while the sum is 31.

The square root of 7442536 is about 2728.1011711445. The cubic root of 7442536 is about 195.2421799246.

The spelling of 7442536 in words is "seven million, four hundred forty-two thousand, five hundred thirty-six".