174064421 has 2 divisors, whose sum is σ = 174064422. Its totient is φ = 174064420.

The previous prime is 174064367. The next prime is 174064441. The reversal of 174064421 is 124460471.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98287396 + 75777025 = 9914^2 + 8705^2 .

It is a cyclic number.

It is not a de Polignac number, because 174064421 - 2⁶ = 174064357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (174064441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87032210 + 87032211.

It is an arithmetic number, because the mean of its divisors is an integer number (87032211).

Almost surely, 2^174064421 is an apocalyptic number.

It is an amenable number.

174064421 is a deficient number, since it is larger than the sum of its proper divisors (1).

174064421 is an equidigital number, since it uses as much as digits as its factorization.

174064421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 174064421 is about 13193.3476040010. The cubic root of 174064421 is about 558.3459066796.

The spelling of 174064421 in words is "one hundred seventy-four million, sixty-four thousand, four hundred twenty-one".