2074246721 has 8 divisors (see below), whose sum is σ = 2271994920. Its totient is φ = 1884913408.

The previous prime is 2074246679. The next prime is 2074246781. The reversal of 2074246721 is 1276424702.

It can be written as a sum of positive squares in 4 ways, for example, as 878470321 + 1195776400 = 29639^2 + 34580^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2074246721 is a prime.

It is a super-3 number, since 3×2074246721³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2074246781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2103206 + ... + 2104191.

It is an arithmetic number, because the mean of its divisors is an integer number (283999365).

Almost surely, 2^2074246721 is an apocalyptic number.

It is an amenable number.

2074246721 is a deficient number, since it is larger than the sum of its proper divisors (197748199).

2074246721 is a wasteful number, since it uses less digits than its factorization.

2074246721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4207443.

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 2074246721 is about 45543.8988339821. The cubic root of 2074246721 is about 1275.3228393807.

The spelling of 2074246721 in words is "two billion, seventy-four million, two hundred forty-six thousand, seven hundred twenty-one".