3520672 has 24 divisors (see below), whose sum is σ = 6974100. Its totient is φ = 1749504.

The previous prime is 3520669. The next prime is 3520691. The reversal of 3520672 is 2760253.

It can be written as a sum of positive squares in 2 ways, for example, as 3519376 + 1296 = 1876^2 + 36^2 .

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, 8404 + ... + 8812.

Almost surely, 2^3520672 is an apocalyptic number.

3520672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3520672 is a deficient number, since it is larger than the sum of its proper divisors (3453428).

3520672 is a wasteful number, since it uses less digits than its factorization.

3520672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688 (or 680 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 3520672 is about 1876.3453839845. The cubic root of 3520672 is about 152.1277780571.

The spelling of 3520672 in words is "three million, five hundred twenty thousand, six hundred seventy-two".