83549740 has 12 divisors (see below), whose sum is σ = 175454496. Its totient is φ = 33419888.

The previous prime is 83549717. The next prime is 83549749. The reversal of 83549740 is 4794538.

It is a junction number, because it is equal to n+sod(n) for n = 83549693 and 83549702.

It is not an unprimeable number, because it can be changed into a prime (83549749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2088724 + ... + 2088763.

It is an arithmetic number, because the mean of its divisors is an integer number (14621208).

Almost surely, 2^83549740 is an apocalyptic number.

It is an amenable number.

83549740 is an abundant number, since it is smaller than the sum of its proper divisors (91904756).

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

83549740 is a wasteful number, since it uses less digits than its factorization.

83549740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4177496 (or 4177494 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 83549740 is about 9140.5546877638. The cubic root of 83549740 is about 437.1680028213.

The spelling of 83549740 in words is "eighty-three million, five hundred forty-nine thousand, seven hundred forty".