2720524 has 12 divisors (see below), whose sum is σ = 4871944. Its totient is φ = 1328544.

The previous prime is 2720513. The next prime is 2720551. The reversal of 2720524 is 4250272.

It is a junction number, because it is equal to n+sod(n) for n = 2720495 and 2720504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7737 + ... + 8080.

2^2720524 is an apocalyptic number.

It is an amenable number.

2720524 is a deficient number, since it is larger than the sum of its proper divisors (2151420).

2720524 is a wasteful number, since it uses less digits than its factorization.

2720524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15864 (or 15862 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 2720524 is about 1649.4011034312. The cubic root of 2720524 is about 139.5996042714.

Adding to 2720524 its reverse (4250272), we get a palindrome (6970796).

The spelling of 2720524 in words is "two million, seven hundred twenty thousand, five hundred twenty-four".