104632578 has 18 divisors (see below), whose sum is σ = 226797987. Its totient is φ = 34863060.

The previous prime is 104632573. The next prime is 104632607. The reversal of 104632578 is 875236401.

104632578 is a `hidden beast` number, since 10 + 4 + 632 + 5 + 7 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 52316289 + 52316289 = 7233^2 + 7233^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=7233.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (104632571) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 42193 + ... + 44603.

Almost surely, 2^104632578 is an apocalyptic number.

104632578 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

104632578 is an abundant number, since it is smaller than the sum of its proper divisors (122165409).

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

104632578 is an frugal number, since it uses more digits than its factorization.

104632578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4830 (or 2416 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 104632578 is about 10229.0066966446. The cubic root of 104632578 is about 471.2184741110.

Adding to 104632578 its reverse (875236401), we get a palindrome (979868979).

It can be divided in two parts, 10463 and 2578, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 104632578 in words is "one hundred four million, six hundred thirty-two thousand, five hundred seventy-eight".