75673925121 has 4 divisors (see below), whose sum is σ = 100898566832. Its totient is φ = 50449283412.

The previous prime is 75673925113. The next prime is 75673925161. The reversal of 75673925121 is 12152937657.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 75673925121 - 2³ = 75673925113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75673925161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12612320851 + ... + 12612320856.

It is an arithmetic number, because the mean of its divisors is an integer number (25224641708).

Almost surely, 2^75673925121 is an apocalyptic number.

It is an amenable number.

75673925121 is a deficient number, since it is larger than the sum of its proper divisors (25224641711).

75673925121 is a wasteful number, since it uses less digits than its factorization.

75673925121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25224641710.

The product of its digits is 793800, while the sum is 48.

The spelling of 75673925121 in words is "seventy-five billion, six hundred seventy-three million, nine hundred twenty-five thousand, one hundred twenty-one".