2691672 has 16 divisors (see below), whose sum is σ = 6729240. Its totient is φ = 897216.

The previous prime is 2691659. The next prime is 2691677. The reversal of 2691672 is 2761962.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2691677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56053 + ... + 56100.

2^2691672 is an apocalyptic number.

It is an amenable number.

2691672 is an abundant number, since it is smaller than the sum of its proper divisors (4037568).

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

2691672 is a wasteful number, since it uses less digits than its factorization.

2691672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112162 (or 112158 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 2691672 is about 1640.6315857011. The cubic root of 2691672 is about 139.1043503296.

The spelling of 2691672 in words is "two million, six hundred ninety-one thousand, six hundred seventy-two".