704221617 has 48 divisors (see below), whose sum is σ = 1115279424. Its totient is φ = 391680000.

The previous prime is 704221607. The next prime is 704221631. The reversal of 704221617 is 716122407.

It is not a de Polignac number, because 704221617 - 2⁴ = 704221601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (704221607) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 390117 + ... + 391917.

It is an arithmetic number, because the mean of its divisors is an integer number (23234988).

Almost surely, 2^704221617 is an apocalyptic number.

It is an amenable number.

704221617 is a deficient number, since it is larger than the sum of its proper divisors (411057807).

704221617 is a wasteful number, since it uses less digits than its factorization.

704221617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890 (or 1873 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 704221617 is about 26537.1742467053. The cubic root of 704221617 is about 889.6853733653.

The spelling of 704221617 in words is "seven hundred four million, two hundred twenty-one thousand, six hundred seventeen".