3246218742 has 64 divisors (see below), whose sum is σ = 7469925120. Its totient is φ = 932114304.

The previous prime is 3246218719. The next prime is 3246218749. The reversal of 3246218742 is 2478126423.

It is a happy number.

It is a super-2 number, since 2×3246218742² = 21075872241824125128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 3246218742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3246218749) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82948 + ... + 115640.

It is an arithmetic number, because the mean of its divisors is an integer number (116717580).

Almost surely, 2^3246218742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3246218742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3734962560).

3246218742 is an abundant number, since it is smaller than the sum of its proper divisors (4223706378).

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

3246218742 is a wasteful number, since it uses less digits than its factorization.

3246218742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32797.

The product of its digits is 129024, while the sum is 39.

The square root of 3246218742 is about 56975.5977765920. The cubic root of 3246218742 is about 1480.6733516843.

The spelling of 3246218742 in words is "three billion, two hundred forty-six million, two hundred eighteen thousand, seven hundred forty-two".