3217714728 has 16 divisors (see below), whose sum is σ = 8044286880. Its totient is φ = 1072571568.

The previous prime is 3217714699. The next prime is 3217714739. The reversal of 3217714728 is 8274177123.

It is a super-2 number, since 2×3217714728² = 20707376141576227968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3217714728.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67035700 + ... + 67035747.

It is an arithmetic number, because the mean of its divisors is an integer number (502767930).

Almost surely, 2^3217714728 is an apocalyptic number.

It is an amenable number.

3217714728 is an abundant number, since it is smaller than the sum of its proper divisors (4826572152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3217714728 is a wasteful number, since it uses less digits than its factorization.

3217714728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134071456 (or 134071452 counting only the distinct ones).

The product of its digits is 131712, while the sum is 42.

The square root of 3217714728 is about 56724.9039487948. The cubic root of 3217714728 is about 1476.3268310696.

The spelling of 3217714728 in words is "three billion, two hundred seventeen million, seven hundred fourteen thousand, seven hundred twenty-eight".