3549474872 has 24 divisors (see below), whose sum is σ = 6783248640. Its totient is φ = 1741240800.

The previous prime is 3549474857. The next prime is 3549474881. The reversal of 3549474872 is 2784749453.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56504 + ... + 101447.

It is an arithmetic number, because the mean of its divisors is an integer number (282635360).

Almost surely, 2^3549474872 is an apocalyptic number.

It is an amenable number.

3549474872 is a deficient number, since it is larger than the sum of its proper divisors (3233773768).

3549474872 is a wasteful number, since it uses less digits than its factorization.

3549474872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158063 (or 158006 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 53.

The square root of 3549474872 is about 59577.4694998034. The cubic root of 3549474872 is about 1525.4150796305.

The spelling of 3549474872 in words is "three billion, five hundred forty-nine million, four hundred seventy-four thousand, eight hundred seventy-two".