7534642 has 4 divisors (see below), whose sum is σ = 11301966. Its totient is φ = 3767320.

The previous prime is 7534627. The next prime is 7534649. The reversal of 7534642 is 2464357.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4004001 + 3530641 = 2001^2 + 1879^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (7534649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1883659 + ... + 1883662.

Almost surely, 2^7534642 is an apocalyptic number.

7534642 is a deficient number, since it is larger than the sum of its proper divisors (3767324).

7534642 is a wasteful number, since it uses less digits than its factorization.

7534642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767323.

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

The square root of 7534642 is about 2744.9302359076. The cubic root of 7534642 is about 196.0442944455.

Adding to 7534642 its reverse (2464357), we get a palindrome (9998999).

The spelling of 7534642 in words is "seven million, five hundred thirty-four thousand, six hundred forty-two".