2724720 has 40 divisors (see below), whose sum is σ = 8447376. Its totient is φ = 726528.

The previous prime is 2724719. The next prime is 2724721. The reversal of 2724720 is 274272.

It is an interprime number because it is at equal distance from previous prime (2724719) and next prime (2724721).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2724721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5437 + ... + 5916.

2^2724720 is an apocalyptic number.

2724720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2724720 is an abundant number, since it is smaller than the sum of its proper divisors (5722656).

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

2724720 is a wasteful number, since it uses less digits than its factorization.

2724720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11369 (or 11363 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 2724720 is about 1650.6725901886. The cubic root of 2724720 is about 139.6713378845.

Adding to 2724720 its reverse (274272), we get a palindrome (2998992).

The spelling of 2724720 in words is "two million, seven hundred twenty-four thousand, seven hundred twenty".