174379421 has 6 divisors (see below), whose sum is σ = 185240730. Its totient is φ = 164121536.

The previous prime is 174379411. The next prime is 174379423. The reversal of 174379421 is 124973471.

It is a happy number.

174379421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 53071225 + 121308196 = 7285^2 + 11014^2 .

It is not a de Polignac number, because 174379421 - 2¹⁰ = 174378397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (174379423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 301406 + ... + 301983.

It is an arithmetic number, because the mean of its divisors is an integer number (30873455).

Almost surely, 2^174379421 is an apocalyptic number.

It is an amenable number.

174379421 is a deficient number, since it is larger than the sum of its proper divisors (10861309).

174379421 is an equidigital number, since it uses as much as digits as its factorization.

174379421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603423 (or 603406 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 174379421 is about 13205.2800424679. The cubic root of 174379421 is about 558.6825118888.

The spelling of 174379421 in words is "one hundred seventy-four million, three hundred seventy-nine thousand, four hundred twenty-one".