3037142721 has 4 divisors (see below), whose sum is σ = 4049523632. Its totient is φ = 2024761812.

The previous prime is 3037142683. The next prime is 3037142737. The reversal of 3037142721 is 1272417303.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3037142721 - 2⁶ = 3037142657 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3037142621) 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, 506190451 + ... + 506190456.

It is an arithmetic number, because the mean of its divisors is an integer number (1012380908).

Almost surely, 2^3037142721 is an apocalyptic number.

It is an amenable number.

3037142721 is a deficient number, since it is larger than the sum of its proper divisors (1012380911).

3037142721 is a wasteful number, since it uses less digits than its factorization.

3037142721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012380910.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 3037142721 is about 55110.2778163928. The cubic root of 3037142721 is about 1448.1772929402.

The spelling of 3037142721 in words is "three billion, thirty-seven million, one hundred forty-two thousand, seven hundred twenty-one".