2667347028 has 72 divisors (see below), whose sum is σ = 6853968576. Its totient is φ = 874473600.

The previous prime is 2667347021. The next prime is 2667347041. The reversal of 2667347028 is 8207437662.

It is a super-2 number, since 2×2667347028² = 14229480335560865568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2667347021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1330675 + ... + 1332677.

It is an arithmetic number, because the mean of its divisors is an integer number (95194008).

Almost surely, 2^2667347028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2667347028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3426984288).

2667347028 is an abundant number, since it is smaller than the sum of its proper divisors (4186621548).

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

2667347028 is a wasteful number, since it uses less digits than its factorization.

2667347028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605 (or 2600 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The square root of 2667347028 is about 51646.3650995886. The cubic root of 2667347028 is about 1386.8404727232.

The spelling of 2667347028 in words is "two billion, six hundred sixty-seven million, three hundred forty-seven thousand, twenty-eight".