3074976180721 has 3 divisors (see below), whose sum is σ = 3074977934283. Its totient is φ = 3074974427160.

The previous prime is 3074976180649. The next prime is 3074976180733. The reversal of 3074976180721 is 1270816794703.

The square root of 3074976180721 is 1753561.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 2906646502321 + 168329678400 = 1704889^2 + 410280^2 .

It is not a de Polignac number, because 3074976180721 - 2²¹ = 3074974083569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3074976180751) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 876781 + ... + 2630341.

It is an arithmetic number, because the mean of its divisors is an integer number (1024992644761).

Almost surely, 2^{3074976180721} is an apocalyptic number.

3074976180721 is the 1753561-st square number.

3074976180721 is the 876781-st centered octagonal number.

It is an amenable number.

3074976180721 is a deficient number, since it is larger than the sum of its proper divisors (1753562).

3074976180721 is an frugal number, since it uses more digits than its factorization.

3074976180721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3507122 (or 1753561 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 55.

The spelling of 3074976180721 in words is "three trillion, seventy-four billion, nine hundred seventy-six million, one hundred eighty thousand, seven hundred twenty-one".