104747520 has 160 divisors (see below), whose sum is σ = 350013312. Its totient is φ = 26673152.

The previous prime is 104747501. The next prime is 104747563. The reversal of 104747520 is 25747401.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176344 + ... + 176936.

Almost surely, 2^104747520 is an apocalyptic number.

104747520 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 104747520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175006656).

104747520 is an abundant number, since it is smaller than the sum of its proper divisors (245265792).

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

104747520 is an equidigital number, since it uses as much as digits as its factorization.

104747520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 104747520 is about 10234.6235885840. The cubic root of 104747520 is about 471.3909601373.

The spelling of 104747520 in words is "one hundred four million, seven hundred forty-seven thousand, five hundred twenty".