2939742102 has 96 divisors (see below), whose sum is σ = 7110768384. Its totient is φ = 801856000.

The previous prime is 2939742077. The next prime is 2939742103. The reversal of 2939742102 is 2012479392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2939742103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 435352 + ... + 442052.

It is an arithmetic number, because the mean of its divisors is an integer number (74070504).

Almost surely, 2^2939742102 is an apocalyptic number.

2939742102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2939742102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3555384192).

2939742102 is an abundant number, since it is smaller than the sum of its proper divisors (4171026282).

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

2939742102 is a wasteful number, since it uses less digits than its factorization.

2939742102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6774 (or 6757 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 2939742102 is about 54219.3886169883. The cubic root of 2939742102 is about 1432.5278615720.

The spelling of 2939742102 in words is "two billion, nine hundred thirty-nine million, seven hundred forty-two thousand, one hundred two".