190742326 has 8 divisors (see below), whose sum is σ = 293846400. Its totient is φ = 92793528.

The previous prime is 190742323. The next prime is 190742347. The reversal of 190742326 is 623247091.

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

It is a junction number, because it is equal to n+sod(n) for n = 190742291 and 190742300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190742323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1288726 + ... + 1288873.

It is an arithmetic number, because the mean of its divisors is an integer number (36730800).

Almost surely, 2^190742326 is an apocalyptic number.

190742326 is a deficient number, since it is larger than the sum of its proper divisors (103104074).

190742326 is a wasteful number, since it uses less digits than its factorization.

190742326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2577638.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 190742326 is about 13810.9494966856. The cubic root of 190742326 is about 575.6374289567.

The spelling of 190742326 in words is "one hundred ninety million, seven hundred forty-two thousand, three hundred twenty-six".