6720702067431 has 48 divisors (see below), whose sum is σ = 10844819137152. Its totient is φ = 3975367032000.

The previous prime is 6720702067421. The next prime is 6720702067463. The reversal of 6720702067431 is 1347602070276.

6720702067431 is a `hidden beast` number, since 6 + 7 + 2 + 0 + 7 + 0 + 206 + 7 + 431 = 666.

It is not a de Polignac number, because 6720702067431 - 2⁹ = 6720702066919 is a prime.

It is a super-2 number, since 2×6720702067431² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6720702067421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4931616 + ... + 6145098.

It is an arithmetic number, because the mean of its divisors is an integer number (225933732024).

Almost surely, 2^{6720702067431} is an apocalyptic number.

6720702067431 is a deficient number, since it is larger than the sum of its proper divisors (4124117069721).

6720702067431 is a wasteful number, since it uses less digits than its factorization.

6720702067431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214844 (or 1214841 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The spelling of 6720702067431 in words is "six trillion, seven hundred twenty billion, seven hundred two million, sixty-seven thousand, four hundred thirty-one".