7474389 has 16 divisors (see below), whose sum is σ = 10984512. Its totient is φ = 4491648.

The previous prime is 7474387. The next prime is 7474393. The reversal of 7474389 is 9834747.

7474389 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 7474389 - 2¹ = 7474387 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7474389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7474381) 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 15 ways as a sum of consecutive naturals, for example, 552 + ... + 3905.

It is an arithmetic number, because the mean of its divisors is an integer number (686532).

Almost surely, 2^7474389 is an apocalyptic number.

It is an amenable number.

7474389 is a deficient number, since it is larger than the sum of its proper divisors (3510123).

7474389 is a wasteful number, since it uses less digits than its factorization.

7474389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4516.

The product of its digits is 169344, while the sum is 42.

The square root of 7474389 is about 2733.9328814000. The cubic root of 7474389 is about 195.5203197941.

The spelling of 7474389 in words is "seven million, four hundred seventy-four thousand, three hundred eighty-nine".