2667921792 has 64 divisors (see below), whose sum is σ = 7503548400. Its totient is φ = 836993024.

The previous prime is 2667921779. The next prime is 2667921821. The reversal of 2667921792 is 2971297662.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197817 + ... + 210872.

Almost surely, 2^2667921792 is an apocalyptic number.

It is an amenable number.

2667921792 is an abundant number, since it is smaller than the sum of its proper divisors (4835626608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2667921792 is a wasteful number, since it uses less digits than its factorization.

2667921792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408723 (or 408711 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 51.

The square root of 2667921792 is about 51651.9292185684. The cubic root of 2667921792 is about 1386.9400784016.

The spelling of 2667921792 in words is "two billion, six hundred sixty-seven million, nine hundred twenty-one thousand, seven hundred ninety-two".