9021837342 has 64 divisors (see below), whose sum is σ = 21096382464. Its totient is φ = 2518477920.

The previous prime is 9021837337. The next prime is 9021837343. The reversal of 9021837342 is 2437381209.

It is a self number, because there is not a number n which added to its sum of digits gives 9021837342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9021837343) 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, 1241973 + ... + 1249215.

It is an arithmetic number, because the mean of its divisors is an integer number (329630976).

Almost surely, 2^9021837342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9021837342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10548191232).

9021837342 is an abundant number, since it is smaller than the sum of its proper divisors (12074545122).

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

9021837342 is a wasteful number, since it uses less digits than its factorization.

9021837342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7933.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 9021837342 is about 94983.3529730342. The cubic root of 9021837342 is about 2081.7648161327.

The spelling of 9021837342 in words is "nine billion, twenty-one million, eight hundred thirty-seven thousand, three hundred forty-two".