3507872 has 12 divisors (see below), whose sum is σ = 6906186. Its totient is φ = 1753920.

The previous prime is 3507841. The next prime is 3507877. The reversal of 3507872 is 2787053.

It can be written as a sum of positive squares in only one way, i.e., 2808976 + 698896 = 1676^2 + 836^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 109621 = 3507872 / (3 + 5 + 0 + 7 + 8 + 7 + 2).

It is not an unprimeable number, because it can be changed into a prime (3507877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54779 + ... + 54842.

Almost surely, 2^3507872 is an apocalyptic number.

3507872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3507872 is a deficient number, since it is larger than the sum of its proper divisors (3398314).

3507872 is a wasteful number, since it uses less digits than its factorization.

3507872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109631 (or 109623 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 3507872 is about 1872.9313922298. The cubic root of 3507872 is about 151.9431920679.

The spelling of 3507872 in words is "three million, five hundred seven thousand, eight hundred seventy-two".