75972169 has 8 divisors (see below), whose sum is σ = 93504320. Its totient is φ = 60109776.

The previous prime is 75972157. The next prime is 75972179. The reversal of 75972169 is 96127957.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 75972169 - 2¹⁵ = 75939401 is a prime.

It is a super-2 number, since 2×75972169² = 11543540925129122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (75972109) 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, 417339 + ... + 417520.

It is an arithmetic number, because the mean of its divisors is an integer number (11688040).

Almost surely, 2^75972169 is an apocalyptic number.

It is an amenable number.

75972169 is a deficient number, since it is larger than the sum of its proper divisors (17532151).

75972169 is a wasteful number, since it uses less digits than its factorization.

75972169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834879.

The product of its digits is 238140, while the sum is 46.

The square root of 75972169 is about 8716.2015235996. The cubic root of 75972169 is about 423.5306471978.

The spelling of 75972169 in words is "seventy-five million, nine hundred seventy-two thousand, one hundred sixty-nine".