7112642 has 4 divisors (see below), whose sum is σ = 10668966. Its totient is φ = 3556320.

The previous prime is 7112603. The next prime is 7112657. The reversal of 7112642 is 2462117.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2462117 = 7 ⋅351731.

It can be written as a sum of positive squares in only one way, i.e., 4713241 + 2399401 = 2171^2 + 1549^2 .

It is an unprimeable number.

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, 1778159 + ... + 1778162.

Almost surely, 2^7112642 is an apocalyptic number.

7112642 is a deficient number, since it is larger than the sum of its proper divisors (3556324).

7112642 is a wasteful number, since it uses less digits than its factorization.

7112642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3556323.

The product of its digits is 672, while the sum is 23.

The square root of 7112642 is about 2666.9536928863. The cubic root of 7112642 is about 192.3137412415.

Adding to 7112642 its reverse (2462117), we get a palindrome (9574759).

The spelling of 7112642 in words is "seven million, one hundred twelve thousand, six hundred forty-two".