189270674 has 4 divisors (see below), whose sum is σ = 283906014. Its totient is φ = 94635336.

The previous prime is 189270671. The next prime is 189270689. The reversal of 189270674 is 476072981.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 476072981 = 17 ⋅28004293.

It can be written as a sum of positive squares in only one way, i.e., 189255049 + 15625 = 13757^2 + 125^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (189270671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47317667 + ... + 47317670.

Almost surely, 2^189270674 is an apocalyptic number.

189270674 is a deficient number, since it is larger than the sum of its proper divisors (94635340).

189270674 is an equidigital number, since it uses as much as digits as its factorization.

189270674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94635339.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 189270674 is about 13757.5678809883. The cubic root of 189270674 is about 574.1531822146.

The spelling of 189270674 in words is "one hundred eighty-nine million, two hundred seventy thousand, six hundred seventy-four".