190899073 has 8 divisors (see below), whose sum is σ = 194558976. Its totient is φ = 187256400.

The previous prime is 190899019. The next prime is 190899077. The reversal of 190899073 is 370998091.

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 190899073 - 2¹⁷ = 190768001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190899077) 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, 19278 + ... + 27448.

It is an arithmetic number, because the mean of its divisors is an integer number (24319872).

Almost surely, 2^190899073 is an apocalyptic number.

It is an amenable number.

190899073 is a deficient number, since it is larger than the sum of its proper divisors (3659903).

190899073 is an equidigital number, since it uses as much as digits as its factorization.

190899073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8615.

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 190899073 is about 13816.6230678846. The cubic root of 190899073 is about 575.7950669898.

The spelling of 190899073 in words is "one hundred ninety million, eight hundred ninety-nine thousand, seventy-three".