3478221071 has 8 divisors (see below), whose sum is σ = 3766473984. Its totient is φ = 3192924960.

The previous prime is 3478221031. The next prime is 3478221077. The reversal of 3478221071 is 1701228743.

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 3478221071 - 2²² = 3474026767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3478221077) 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, 736751 + ... + 741456.

It is an arithmetic number, because the mean of its divisors is an integer number (470809248).

Almost surely, 2^3478221071 is an apocalyptic number.

3478221071 is a deficient number, since it is larger than the sum of its proper divisors (288252913).

3478221071 is a wasteful number, since it uses less digits than its factorization.

3478221071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478401.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 3478221071 is about 58976.4450522410. The cubic root of 3478221071 is about 1515.1387095020.

The spelling of 3478221071 in words is "three billion, four hundred seventy-eight million, two hundred twenty-one thousand, seventy-one".