7381422 has 16 divisors (see below), whose sum is σ = 16403280. Its totient is φ = 2460456.

The previous prime is 7381411. The next prime is 7381433. The reversal of 7381422 is 2241837.

It is an interprime number because it is at equal distance from previous prime (7381411) and next prime (7381433).

It is a Harshad number since it is a multiple of its sum of digits (27).

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 in 7 ways as a sum of consecutive naturals, for example, 68293 + ... + 68400.

It is an arithmetic number, because the mean of its divisors is an integer number (1025205).

Almost surely, 2^7381422 is an apocalyptic number.

7381422 is an abundant number, since it is smaller than the sum of its proper divisors (9021858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7381422 is a wasteful number, since it uses less digits than its factorization.

7381422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136704 (or 136698 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 7381422 is about 2716.8772515519. The cubic root of 7381422 is about 194.7063034372.

The spelling of 7381422 in words is "seven million, three hundred eighty-one thousand, four hundred twenty-two".