104720436 has 72 divisors (see below), whose sum is σ = 271331424. Its totient is φ = 34046400.

The previous prime is 104720431. The next prime is 104720443. The reversal of 104720436 is 634027401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104720431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 301615 + ... + 301961.

It is an arithmetic number, because the mean of its divisors is an integer number (3768492).

Almost surely, 2^104720436 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 104720436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135665712).

104720436 is an abundant number, since it is smaller than the sum of its proper divisors (166610988).

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

104720436 is a wasteful number, since it uses less digits than its factorization.

104720436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541 (or 536 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 104720436 is about 10233.3003473953. The cubic root of 104720436 is about 471.3503282976.

Adding to 104720436 its reverse (634027401), we get a palindrome (738747837).

The spelling of 104720436 in words is "one hundred four million, seven hundred twenty thousand, four hundred thirty-six".