104216720 has 60 divisors (see below), whose sum is σ = 251109300. Its totient is φ = 40223232.

The previous prime is 104216713. The next prime is 104216737. The reversal of 104216720 is 27612401.

It can be written as a sum of positive squares in 6 ways, for example, as 1721344 + 102495376 = 1312^2 + 10124^2 .

It is a super-2 number, since 2×104216720² = 21722249455116800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66506 + ... + 68054.

It is an arithmetic number, because the mean of its divisors is an integer number (4185155).

Almost surely, 2^104216720 is an apocalyptic number.

104216720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104216720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125554650).

104216720 is an abundant number, since it is smaller than the sum of its proper divisors (146892580).

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

104216720 is a wasteful number, since it uses less digits than its factorization.

104216720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620 (or 1585 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 104216720 is about 10208.6590696330. The cubic root of 104216720 is about 470.5933655568.

The spelling of 104216720 in words is "one hundred four million, two hundred sixteen thousand, seven hundred twenty".