108472905 has 64 divisors (see below), whose sum is σ = 202176000. Its totient is φ = 55109376.

The previous prime is 108472891. The next prime is 108472939. The reversal of 108472905 is 509274801.

It is not a de Polignac number, because 108472905 - 2⁵ = 108472873 is a prime.

It is a super-3 number, since 3×108472905³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 108472905.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 403111 + ... + 403379.

It is an arithmetic number, because the mean of its divisors is an integer number (3159000).

Almost surely, 2^108472905 is an apocalyptic number.

108472905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

108472905 is a deficient number, since it is larger than the sum of its proper divisors (93703095).

108472905 is a wasteful number, since it uses less digits than its factorization.

108472905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 108472905 is about 10415.0326451721. The cubic root of 108472905 is about 476.9143867550.

The spelling of 108472905 in words is "one hundred eight million, four hundred seventy-two thousand, nine hundred five".