2481720 has 32 divisors (see below), whose sum is σ = 7445520. Its totient is φ = 661760.

The previous prime is 2481719. The next prime is 2481727. The reversal of 2481720 is 271842.

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 (2481727) 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, 10221 + ... + 10460.

2^2481720 is an apocalyptic number.

2481720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2481720 is an abundant number, since it is smaller than the sum of its proper divisors (4963800).

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

2481720 is a wasteful number, since it uses less digits than its factorization.

2481720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20695 (or 20691 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 2481720 is about 1575.3475806945. The cubic root of 2481720 is about 135.3892742490.

The spelling of 2481720 in words is "two million, four hundred eighty-one thousand, seven hundred twenty".