6772130421 has 16 divisors (see below), whose sum is σ = 10926463104. Its totient is φ = 3642153984.

The previous prime is 6772130399. The next prime is 6772130437. The reversal of 6772130421 is 1240312776.

It is not a de Polignac number, because 6772130421 - 2⁷ = 6772130293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6772130471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9484420 + ... + 9485133.

It is an arithmetic number, because the mean of its divisors is an integer number (682903944).

Almost surely, 2^6772130421 is an apocalyptic number.

It is an amenable number.

6772130421 is a deficient number, since it is larger than the sum of its proper divisors (4154332683).

6772130421 is a wasteful number, since it uses less digits than its factorization.

6772130421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18969580.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 6772130421 is about 82292.9548685670. The cubic root of 6772130421 is about 1891.9446983145.

The spelling of 6772130421 in words is "six billion, seven hundred seventy-two million, one hundred thirty thousand, four hundred twenty-one".