2074605721 has 8 divisors (see below), whose sum is σ = 2086952000. Its totient is φ = 2062296720.

The previous prime is 2074605703. The next prime is 2074605733. The reversal of 2074605721 is 1275064702.

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

It is a cyclic number.

It is not a de Polignac number, because 2074605721 - 2⁷ = 2074605593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2074605121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106540 + ... + 124498.

It is an arithmetic number, because the mean of its divisors is an integer number (260869000).

Almost surely, 2^2074605721 is an apocalyptic number.

It is an amenable number.

2074605721 is a deficient number, since it is larger than the sum of its proper divisors (12346279).

2074605721 is a wasteful number, since it uses less digits than its factorization.

2074605721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18639.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 2074605721 is about 45547.8399158511. The cubic root of 2074605721 is about 1275.3964105851.

The spelling of 2074605721 in words is "two billion, seventy-four million, six hundred five thousand, seven hundred twenty-one".