7408421774 has 32 divisors (see below), whose sum is σ = 12275069184. Its totient is φ = 3331595520.

The previous prime is 7408421771. The next prime is 7408421777. The reversal of 7408421774 is 4771248047.

It is an interprime number because it is at equal distance from previous prime (7408421771) and next prime (7408421777).

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7408421771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 915932 + ... + 923984.

It is an arithmetic number, because the mean of its divisors is an integer number (383595912).

Almost surely, 2^7408421774 is an apocalyptic number.

7408421774 is a deficient number, since it is larger than the sum of its proper divisors (4866647410).

7408421774 is a wasteful number, since it uses less digits than its factorization.

7408421774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8972.

The product of its (nonzero) digits is 351232, while the sum is 44.

The square root of 7408421774 is about 86072.1893180370. The cubic root of 7408421774 is about 1949.4341355245.

The spelling of 7408421774 in words is "seven billion, four hundred eight million, four hundred twenty-one thousand, seven hundred seventy-four".