2691072 has 78 divisors (see below), whose sum is σ = 7879742. Its totient is φ = 884736.

The previous prime is 2691067. The next prime is 2691097. The reversal of 2691072 is 2701962.

It can be written as a sum of positive squares in only one way, i.e., 2359296 + 331776 = 1536^2 + 576^2 .

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36828 + ... + 36900.

2^2691072 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 2691072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3939871).

2691072 is an abundant number, since it is smaller than the sum of its proper divisors (5188670).

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

2691072 is an equidigital number, since it uses as much as digits as its factorization.

2691072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 2691072 is about 1640.4487191010. The cubic root of 2691072 is about 139.0940136550.

The spelling of 2691072 in words is "two million, six hundred ninety-one thousand, seventy-two".