72432105 has 8 divisors (see below), whose sum is σ = 115891392. Its totient is φ = 38630448.

The previous prime is 72432103. The next prime is 72432137. The reversal of 72432105 is 50123427.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72432105 - 2¹ = 72432103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72432103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2414389 + ... + 2414418.

It is an arithmetic number, because the mean of its divisors is an integer number (14486424).

Almost surely, 2^72432105 is an apocalyptic number.

It is an amenable number.

72432105 is a deficient number, since it is larger than the sum of its proper divisors (43459287).

72432105 is a wasteful number, since it uses less digits than its factorization.

72432105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4828815.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 72432105 is about 8510.7053174223. The cubic root of 72432105 is about 416.8473410227.

The spelling of 72432105 in words is "seventy-two million, four hundred thirty-two thousand, one hundred five".