3215347674 has 128 divisors (see below), whose sum is σ = 8263987200. Its totient is φ = 809740800.

The previous prime is 3215347673. The next prime is 3215347679. The reversal of 3215347674 is 4767435123.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (3215347673) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3769032 + ... + 3769884.

It is an arithmetic number, because the mean of its divisors is an integer number (64562400).

Almost surely, 2^3215347674 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3215347674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4131993600).

3215347674 is an abundant number, since it is smaller than the sum of its proper divisors (5048639526).

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

3215347674 is a wasteful number, since it uses less digits than its factorization.

3215347674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116.

The product of its digits is 423360, while the sum is 42.

The square root of 3215347674 is about 56704.0357822968. The cubic root of 3215347674 is about 1475.9647311657.

The spelling of 3215347674 in words is "three billion, two hundred fifteen million, three hundred forty-seven thousand, six hundred seventy-four".