3217948734 has 128 divisors (see below), whose sum is σ = 9149801472. Its totient is φ = 726128640.

The previous prime is 3217948729. The next prime is 3217948739. The reversal of 3217948734 is 4378497123.

It is an interprime number because it is at equal distance from previous prime (3217948729) and next prime (3217948739).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3217948739) 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 63 ways as a sum of consecutive naturals, for example, 86344 + ... + 117860.

It is an arithmetic number, because the mean of its divisors is an integer number (71482824).

Almost surely, 2^3217948734 is an apocalyptic number.

3217948734 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3217948734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4574900736).

3217948734 is an abundant number, since it is smaller than the sum of its proper divisors (5931852738).

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

3217948734 is a wasteful number, since it uses less digits than its factorization.

3217948734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31570.

The product of its digits is 1016064, while the sum is 48.

The square root of 3217948734 is about 56726.9665503101. The cubic root of 3217948734 is about 1476.3626184727.

The spelling of 3217948734 in words is "three billion, two hundred seventeen million, nine hundred forty-eight thousand, seven hundred thirty-four".