2721376 has 24 divisors (see below), whose sum is σ = 6123600. Its totient is φ = 1166208.

The previous prime is 2721371. The next prime is 2721401. The reversal of 2721376 is 6731272.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2721371) 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, 5851 + ... + 6298.

It is an arithmetic number, because the mean of its divisors is an integer number (255150).

2^2721376 is an apocalyptic number.

It is an amenable number.

2721376 is an abundant number, since it is smaller than the sum of its proper divisors (3402224).

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

2721376 is a wasteful number, since it uses less digits than its factorization.

2721376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12166 (or 12158 counting only the distinct ones).

The product of its digits is 3528, while the sum is 28.

The square root of 2721376 is about 1649.6593587768. The cubic root of 2721376 is about 139.6141757840.

The spelling of 2721376 in words is "two million, seven hundred twenty-one thousand, three hundred seventy-six".