3520772 has 12 divisors (see below), whose sum is σ = 6328140. Its totient is φ = 1712736.

The previous prime is 3520739. The next prime is 3520787. The reversal of 3520772 is 2770253.

It can be written as a sum of positive squares in 2 ways, for example, as 1943236 + 1577536 = 1394^2 + 1256^2 .

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, 11747 + ... + 12042.

It is an arithmetic number, because the mean of its divisors is an integer number (527345).

Almost surely, 2^3520772 is an apocalyptic number.

It is an amenable number.

3520772 is a deficient number, since it is larger than the sum of its proper divisors (2807368).

3520772 is a wasteful number, since it uses less digits than its factorization.

3520772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23830 (or 23828 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 3520772 is about 1876.3720313413. The cubic root of 3520772 is about 152.1292183725.

The spelling of 3520772 in words is "three million, five hundred twenty thousand, seven hundred seventy-two".