7340538 has 16 divisors (see below), whose sum is σ = 15187680. Its totient is φ = 2362416.

The previous prime is 7340537. The next prime is 7340539. The reversal of 7340538 is 8350437.

It is an interprime number because it is at equal distance from previous prime (7340537) and next prime (7340539).

It is not an unprimeable number, because it can be changed into a prime (7340537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20920 + ... + 21267.

It is an arithmetic number, because the mean of its divisors is an integer number (949230).

Almost surely, 2^7340538 is an apocalyptic number.

7340538 is an abundant number, since it is smaller than the sum of its proper divisors (7847142).

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

7340538 is a wasteful number, since it uses less digits than its factorization.

7340538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42221.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 7340538 is about 2709.3427247213. The cubic root of 7340538 is about 194.3461598771.

The spelling of 7340538 in words is "seven million, three hundred forty thousand, five hundred thirty-eight".