92173921 has 8 divisors (see below), whose sum is σ = 110886080. Its totient is φ = 74847888.

The previous prime is 92173891. The next prime is 92173927. The reversal of 92173921 is 12937129.

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 92173921 - 2⁵ = 92173889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (92173927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346386 + ... + 346651.

It is an arithmetic number, because the mean of its divisors is an integer number (13860760).

Almost surely, 2^92173921 is an apocalyptic number.

It is an amenable number.

92173921 is a deficient number, since it is larger than the sum of its proper divisors (18712159).

92173921 is a wasteful number, since it uses less digits than its factorization.

92173921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693063.

The product of its digits is 6804, while the sum is 34.

The square root of 92173921 is about 9600.7250247052. The cubic root of 92173921 is about 451.7200360556.

The spelling of 92173921 in words is "ninety-two million, one hundred seventy-three thousand, nine hundred twenty-one".