2472720 has 40 divisors (see below), whose sum is σ = 7666176. Its totient is φ = 659328.

The previous prime is 2472719. The next prime is 2472727. The reversal of 2472720 is 272742.

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

It is a super-2 number, since 2×2472720² = 12228688396800, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (2472727) 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, 4912 + ... + 5391.

2^2472720 is an apocalyptic number.

2472720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2472720 is an abundant number, since it is smaller than the sum of its proper divisors (5193456).

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

2472720 is a wasteful number, since it uses less digits than its factorization.

2472720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10319 (or 10313 counting only the distinct ones).

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

The square root of 2472720 is about 1572.4884737256. The cubic root of 2472720 is about 135.2254121671.

The spelling of 2472720 in words is "two million, four hundred seventy-two thousand, seven hundred twenty".