7625336421 has 4 divisors (see below), whose sum is σ = 10167115232. Its totient is φ = 5083557612.

The previous prime is 7625336419. The next prime is 7625336431. The reversal of 7625336421 is 1246335267.

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 7625336421 - 2¹ = 7625336419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7625336421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7625336431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1270889401 + ... + 1270889406.

It is an arithmetic number, because the mean of its divisors is an integer number (2541778808).

Almost surely, 2^7625336421 is an apocalyptic number.

It is an amenable number.

7625336421 is a deficient number, since it is larger than the sum of its proper divisors (2541778811).

7625336421 is a wasteful number, since it uses less digits than its factorization.

7625336421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541778810.

The product of its digits is 181440, while the sum is 39.

The square root of 7625336421 is about 87323.1723026597. The cubic root of 7625336421 is about 1968.2775380176.

The spelling of 7625336421 in words is "seven billion, six hundred twenty-five million, three hundred thirty-six thousand, four hundred twenty-one".