83636736 has 80 divisors (see below), whose sum is σ = 235993824. Its totient is φ = 26230784.

The previous prime is 83636723. The next prime is 83636737. The reversal of 83636736 is 63763638.

It is not an unprimeable number, because it can be changed into a prime (83636737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24511 + ... + 27713.

Almost surely, 2^83636736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83636736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117996912).

83636736 is an abundant number, since it is smaller than the sum of its proper divisors (152357088).

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

83636736 is a wasteful number, since it uses less digits than its factorization.

83636736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3241 (or 3225 counting only the distinct ones).

The product of its digits is 326592, while the sum is 42.

The square root of 83636736 is about 9145.3122417991. The cubic root of 83636736 is about 437.3196836245.

The spelling of 83636736 in words is "eighty-three million, six hundred thirty-six thousand, seven hundred thirty-six".