2721375 has 48 divisors (see below), whose sum is σ = 5110560. Its totient is φ = 1392000.

The previous prime is 2721371. The next prime is 2721401. The reversal of 2721375 is 5731272.

It is not a de Polignac number, because 2721375 - 2² = 2721371 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 2¹⁹ + 7 + 2¹⁹ + 1 + 3¹³ + 7³ + 5⁷ .

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 47 ways as a sum of consecutive naturals, for example, 46096 + ... + 46154.

It is an arithmetic number, because the mean of its divisors is an integer number (106470).

2^2721375 is an apocalyptic number.

2721375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2721375 is a deficient number, since it is larger than the sum of its proper divisors (2389185).

2721375 is a wasteful number, since it uses less digits than its factorization.

2721375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 108 counting only the distinct ones).

The product of its digits is 2940, while the sum is 27.

The square root of 2721375 is about 1649.6590556839. The cubic root of 2721375 is about 139.6141586830.

The spelling of 2721375 in words is "two million, seven hundred twenty-one thousand, three hundred seventy-five".