83111742 has 144 divisors (see below), whose sum is σ = 232401312. Its totient is φ = 21288960.

The previous prime is 83111729. The next prime is 83111773. The reversal of 83111742 is 24711138.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 344742 + ... + 344982.

It is an arithmetic number, because the mean of its divisors is an integer number (1613898).

Almost surely, 2^83111742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83111742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116200656).

83111742 is an abundant number, since it is smaller than the sum of its proper divisors (149289570).

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

83111742 is a wasteful number, since it uses less digits than its factorization.

83111742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 293 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 83111742 is about 9116.5641554261. The cubic root of 83111742 is about 436.4027329790.

The spelling of 83111742 in words is "eighty-three million, one hundred eleven thousand, seven hundred forty-two".