7421435273 has 4 divisors (see below), whose sum is σ = 8481640320. Its totient is φ = 6361230228.

The previous prime is 7421435267. The next prime is 7421435279. The reversal of 7421435273 is 3725341247.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (7421435267) and next prime (7421435279).

It is a cyclic number.

It is not a de Polignac number, because 7421435273 - 2¹⁰ = 7421434249 is a prime.

It is a super-2 number, since 2×7421435273² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7421435279) 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 3 ways as a sum of consecutive naturals, for example, 530102513 + ... + 530102526.

It is an arithmetic number, because the mean of its divisors is an integer number (2120410080).

Almost surely, 2^7421435273 is an apocalyptic number.

It is an amenable number.

7421435273 is a deficient number, since it is larger than the sum of its proper divisors (1060205047).

7421435273 is a wasteful number, since it uses less digits than its factorization.

7421435273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060205046.

The product of its digits is 141120, while the sum is 38.

The square root of 7421435273 is about 86147.7525708013. The cubic root of 7421435273 is about 1950.5749146814.

The spelling of 7421435273 in words is "seven billion, four hundred twenty-one million, four hundred thirty-five thousand, two hundred seventy-three".