7464638 has 8 divisors (see below), whose sum is σ = 11222832. Its totient is φ = 3723696.

The previous prime is 7464623. The next prime is 7464703. The reversal of 7464638 is 8364647.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 7⁸ + 4 + 6 + 4² + 6⁸ + 3⁹ + 8³ .

It is a congruent number.

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, 3170 + ... + 4997.

It is an arithmetic number, because the mean of its divisors is an integer number (1402854).

Almost surely, 2^7464638 is an apocalyptic number.

7464638 is a deficient number, since it is larger than the sum of its proper divisors (3758194).

7464638 is a wasteful number, since it uses less digits than its factorization.

7464638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8626.

The product of its digits is 96768, while the sum is 38.

The square root of 7464638 is about 2732.1489710482. The cubic root of 7464638 is about 195.4352582899.

Subtracting 7464638 from its reverse (8364647), we obtain a palindrome (900009).

The spelling of 7464638 in words is "seven million, four hundred sixty-four thousand, six hundred thirty-eight".