7374321 has 12 divisors (see below), whose sum is σ = 11046672. Its totient is φ = 4916052.

The previous prime is 7374317. The next prime is 7374331. The reversal of 7374321 is 1234737.

7374321 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7374321 - 2² = 7374317 is a prime.

It is a super-2 number, since 2×7374321² = 108761220422082, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (7374331) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 14931 + ... + 15416.

It is an arithmetic number, because the mean of its divisors is an integer number (920556).

Almost surely, 2^7374321 is an apocalyptic number.

It is an amenable number.

7374321 is a deficient number, since it is larger than the sum of its proper divisors (3672351).

7374321 is an equidigital number, since it uses as much as digits as its factorization.

7374321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30362 (or 30350 counting only the distinct ones).

The product of its digits is 3528, while the sum is 27.

The square root of 7374321 is about 2715.5701058894. The cubic root of 7374321 is about 194.6438469503.

The spelling of 7374321 in words is "seven million, three hundred seventy-four thousand, three hundred twenty-one".