7270007421 has 4 divisors (see below), whose sum is σ = 9693343232. Its totient is φ = 4846671612.

The previous prime is 7270007401. The next prime is 7270007461. The reversal of 7270007421 is 1247000727.

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 not a de Polignac number, because 7270007421 - 2⁶ = 7270007357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7270007401) 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, 1211667901 + ... + 1211667906.

It is an arithmetic number, because the mean of its divisors is an integer number (2423335808).

Almost surely, 2^7270007421 is an apocalyptic number.

It is an amenable number.

7270007421 is a deficient number, since it is larger than the sum of its proper divisors (2423335811).

7270007421 is a wasteful number, since it uses less digits than its factorization.

7270007421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423335810.

The product of its (nonzero) digits is 5488, while the sum is 30.

The square root of 7270007421 is about 85264.3385067872. The cubic root of 7270007421 is about 1937.2170588480.

The spelling of 7270007421 in words is "seven billion, two hundred seventy million, seven thousand, four hundred twenty-one".