7426489 has 6 divisors (see below), whose sum is σ = 8639034. Its totient is φ = 6365520.

The previous prime is 7426483. The next prime is 7426537. The reversal of 7426489 is 9846247.

7426489 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7112889 + 313600 = 2667^2 + 560^2 .

It is not a de Polignac number, because 7426489 - 2⁵ = 7426457 is a prime.

It is a Duffinian number.

7426489 is strictly pandigital in base 8.

7426489 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7426483) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75732 + ... + 75829.

It is an arithmetic number, because the mean of its divisors is an integer number (1439839).

Almost surely, 2^7426489 is an apocalyptic number.

It is an amenable number.

7426489 is a deficient number, since it is larger than the sum of its proper divisors (1212545).

7426489 is a wasteful number, since it uses less digits than its factorization.

7426489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151575 (or 151568 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 7426489 is about 2725.1585274989. The cubic root of 7426489 is about 195.1017571033.

Adding to 7426489 its product of digits (96768), we get a palindrome (7523257).

The spelling of 7426489 in words is "seven million, four hundred twenty-six thousand, four hundred eighty-nine".