7374638 has 4 divisors (see below), whose sum is σ = 11061960. Its totient is φ = 3687318.

The previous prime is 7374611. The next prime is 7374643. The reversal of 7374638 is 8364737.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8364737 = 499 ⋅16763.

It is a d-powerful number, because it can be written as 7⁴ + 3⁶ + 7⁸ + 4⁶ + 6⁵ + 3¹³ + 8³ .

It is a Curzon number.

It is a congruent number.

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, 1843658 + ... + 1843661.

It is an arithmetic number, because the mean of its divisors is an integer number (2765490).

Almost surely, 2^7374638 is an apocalyptic number.

7374638 is a deficient number, since it is larger than the sum of its proper divisors (3687322).

7374638 is a wasteful number, since it uses less digits than its factorization.

7374638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3687321.

The product of its digits is 84672, while the sum is 38.

The square root of 7374638 is about 2715.6284723798. The cubic root of 7374638 is about 194.6466359626.

Subtracting 7374638 from its reverse (8364737), we obtain a palindrome (990099).

The spelling of 7374638 in words is "seven million, three hundred seventy-four thousand, six hundred thirty-eight".