190066274 has 4 divisors (see below), whose sum is σ = 285099414. Its totient is φ = 95033136.

The previous prime is 190066249. The next prime is 190066333. The reversal of 190066274 is 472660091.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 178890625 + 11175649 = 13375^2 + 3343^2 .

It is a super-2 number, since 2×190066274² = 72250377024486152, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 47516567 + ... + 47516570.

Almost surely, 2^190066274 is an apocalyptic number.

190066274 is a deficient number, since it is larger than the sum of its proper divisors (95033140).

190066274 is an equidigital number, since it uses as much as digits as its factorization.

190066274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95033139.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 190066274 is about 13786.4525531407. The cubic root of 190066274 is about 574.9565426514.

The spelling of 190066274 in words is "one hundred ninety million, sixty-six thousand, two hundred seventy-four".