7642258 has 16 divisors (see below), whose sum is σ = 12392856. Its totient is φ = 3513600.

The previous prime is 7642253. The next prime is 7642267. The reversal of 7642258 is 8522467.

It can be written as a sum of positive squares in 4 ways, for example, as 7601049 + 41209 = 2757^2 + 203^2 .

It is not an unprimeable number, because it can be changed into a prime (7642253) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 10060 + ... + 10792.

Almost surely, 2^7642258 is an apocalyptic number.

7642258 is a deficient number, since it is larger than the sum of its proper divisors (4750598).

7642258 is a wasteful number, since it uses less digits than its factorization.

7642258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149.

The product of its digits is 26880, while the sum is 34.

The square root of 7642258 is about 2764.4634199063. The cubic root of 7642258 is about 196.9732414032.

The spelling of 7642258 in words is "seven million, six hundred forty-two thousand, two hundred fifty-eight".