83740554 has 40 divisors (see below), whose sum is σ = 189433728. Its totient is φ = 27646920.

The previous prime is 83740519. The next prime is 83740633. The reversal of 83740554 is 45504738.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14919 + ... + 19749.

Almost surely, 2^83740554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83740554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94716864).

83740554 is an abundant number, since it is smaller than the sum of its proper divisors (105693174).

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

83740554 is a wasteful number, since it uses less digits than its factorization.

83740554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4952 (or 4943 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 83740554 is about 9150.9865041972. The cubic root of 83740554 is about 437.5005566251.

The spelling of 83740554 in words is "eighty-three million, seven hundred forty thousand, five hundred fifty-four".