6667272405 has 48 divisors (see below), whose sum is σ = 12397956480. Its totient is φ = 3433243968.

The previous prime is 6667272377. The next prime is 6667272419. The reversal of 6667272405 is 5042727666.

It is not a de Polignac number, because 6667272405 - 2⁶ = 6667272341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59377 + ... + 129846.

It is an arithmetic number, because the mean of its divisors is an integer number (258290760).

Almost surely, 2^6667272405 is an apocalyptic number.

It is an amenable number.

6667272405 is a deficient number, since it is larger than the sum of its proper divisors (5730684075).

6667272405 is a wasteful number, since it uses less digits than its factorization.

6667272405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189272 (or 189260 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The square root of 6667272405 is about 81653.3673831031. The cubic root of 6667272405 is about 1882.1290581953.

The spelling of 6667272405 in words is "six billion, six hundred sixty-seven million, two hundred seventy-two thousand, four hundred five".