736000636 has 48 divisors (see below), whose sum is σ = 1551900672. Its totient is φ = 298742400.

The previous prime is 736000597. The next prime is 736000637. The reversal of 736000636 is 636000637.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 736000598 and 736000607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (736000637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31776 + ... + 49816.

It is an arithmetic number, because the mean of its divisors is an integer number (32331264).

Almost surely, 2^736000636 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 736000636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (775950336).

736000636 is an abundant number, since it is smaller than the sum of its proper divisors (815900036).

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

736000636 is a wasteful number, since it uses less digits than its factorization.

736000636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18130 (or 18128 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 736000636 is about 27129.3316541341. The cubic root of 736000636 is about 902.8717471610.

Subtracting from 736000636 its reverse (636000637), we obtain a palindrome (99999999).

The spelling of 736000636 in words is "seven hundred thirty-six million, six hundred thirty-six", and thus it is an aban number.