105504372 has 36 divisors (see below), whose sum is σ = 267074080. Its totient is φ = 35117712.

The previous prime is 105504341. The next prime is 105504383. The reversal of 105504372 is 273405501.

It is a happy number.

105504372 is a `hidden beast` number, since 1 + 0 + 550 + 43 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×105504372² = 22262345022228768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30129 + ... + 33447.

Almost surely, 2^105504372 is an apocalyptic number.

105504372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

105504372 is an abundant number, since it is smaller than the sum of its proper divisors (161569708).

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

105504372 is a wasteful number, since it uses less digits than its factorization.

105504372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4212 (or 4207 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 105504372 is about 10271.5321155123. The cubic root of 105504372 is about 472.5235799100.

Adding to 105504372 its reverse (273405501), we get a palindrome (378909873).

The spelling of 105504372 in words is "one hundred five million, five hundred four thousand, three hundred seventy-two".