7420073243 has 8 divisors (see below), whose sum is σ = 8112902976. Its totient is φ = 6730289800.

The previous prime is 7420073237. The next prime is 7420073251. The reversal of 7420073243 is 3423700247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7420073243 - 2⁶ = 7420073179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7420013243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 756473 + ... + 766218.

It is an arithmetic number, because the mean of its divisors is an integer number (1014112872).

Almost surely, 2^7420073243 is an apocalyptic number.

7420073243 is a deficient number, since it is larger than the sum of its proper divisors (692829733).

7420073243 is a wasteful number, since it uses less digits than its factorization.

7420073243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523145.

The product of its (nonzero) digits is 28224, while the sum is 32.

The square root of 7420073243 is about 86139.8470105444. The cubic root of 7420073243 is about 1950.4555799886.

The spelling of 7420073243 in words is "seven billion, four hundred twenty million, seventy-three thousand, two hundred forty-three".