3001781072 has 20 divisors (see below), whose sum is σ = 5817437556. Its totient is φ = 1500506880.

The previous prime is 3001781059. The next prime is 3001781077. The reversal of 3001781072 is 2701871003.

3001781072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2199985216 + 801795856 = 46904^2 + 28316^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3001781077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46922 + ... + 90582.

Almost surely, 2^3001781072 is an apocalyptic number.

It is an amenable number.

3001781072 is a deficient number, since it is larger than the sum of its proper divisors (2815656484).

3001781072 is a wasteful number, since it uses less digits than its factorization.

3001781072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47966 (or 47960 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 3001781072 is about 54788.5122265608. The cubic root of 3001781072 is about 1442.5349305459.

The spelling of 3001781072 in words is "three billion, one million, seven hundred eighty-one thousand, seventy-two".