726400104 has 16 divisors (see below), whose sum is σ = 1816000320. Its totient is φ = 242133360.

The previous prime is 726400097. The next prime is 726400121. The reversal of 726400104 is 401004627.

It is a super-2 number, since 2×726400104² = 1055314222182421632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 30266671 = 726400104 / (7 + 2 + 6 + 4 + 0 + 0 + 1 + 0 + 4).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15133312 + ... + 15133359.

It is an arithmetic number, because the mean of its divisors is an integer number (113500020).

Almost surely, 2^726400104 is an apocalyptic number.

It is an amenable number.

726400104 is an abundant number, since it is smaller than the sum of its proper divisors (1089600216).

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

726400104 is a wasteful number, since it uses less digits than its factorization.

726400104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30266680 (or 30266676 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 726400104 is about 26951.8107740463. The cubic root of 726400104 is about 898.9288095130.

The spelling of 726400104 in words is "seven hundred twenty-six million, four hundred thousand, one hundred four".