3020724 has 36 divisors (see below), whose sum is σ = 8727264. Its totient is φ = 862992.

The previous prime is 3020701. The next prime is 3020761. The reversal of 3020724 is 4270203.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3020697 and 3020706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5742 + ... + 6245.

It is an arithmetic number, because the mean of its divisors is an integer number (242424).

Almost surely, 2^3020724 is an apocalyptic number.

It is an amenable number.

3020724 is an abundant number, since it is smaller than the sum of its proper divisors (5706540).

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

3020724 is a wasteful number, since it uses less digits than its factorization.

3020724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12004 (or 11999 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 3020724 is about 1738.0230148073. The cubic root of 3020724 is about 144.5562972330.

Adding to 3020724 its reverse (4270203), we get a palindrome (7290927).

The spelling of 3020724 in words is "three million, twenty thousand, seven hundred twenty-four".