83740 has 24 divisors (see below), whose sum is σ = 181440. Its totient is φ = 32448.

The previous prime is 83737. The next prime is 83761. The reversal of 83740 is 4738.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1021 + ... + 1099.

It is an arithmetic number, because the mean of its divisors is an integer number (7560).

2⁸³⁷⁴⁰ is an apocalyptic number.

It is an amenable number.

83740 is an abundant number, since it is smaller than the sum of its proper divisors (97700).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90720).

83740 is a wasteful number, since it uses less digits than its factorization.

83740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 83740 is about 289.3786446855. The cubic root of 83740 is about 43.7499591836.

The spelling of 83740 in words is "eighty-three thousand, seven hundred forty".