7430257340 has 24 divisors (see below), whose sum is σ = 17022044592. Its totient is φ = 2701911680.

The previous prime is 7430257333. The next prime is 7430257397. The reversal of 7430257340 is 437520347.

It is a self number, because there is not a number n which added to its sum of digits gives 7430257340.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16886729 + ... + 16887168.

It is an arithmetic number, because the mean of its divisors is an integer number (709251858).

Almost surely, 2^7430257340 is an apocalyptic number.

It is an amenable number.

7430257340 is an abundant number, since it is smaller than the sum of its proper divisors (9591787252).

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

7430257340 is a wasteful number, since it uses less digits than its factorization.

7430257340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33773917 (or 33773915 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 35.

The square root of 7430257340 is about 86198.9404807275. The cubic root of 7430257340 is about 1951.3475095532.

Adding to 7430257340 its reverse (437520347), we get a palindrome (7867777687).

The spelling of 7430257340 in words is "seven billion, four hundred thirty million, two hundred fifty-seven thousand, three hundred forty".