174990047 has 16 divisors (see below), whose sum is σ = 183358080. Its totient is φ = 166881312.

The previous prime is 174990043. The next prime is 174990073. The reversal of 174990047 is 740099471.

It is a happy number.

It is not a de Polignac number, because 174990047 - 2² = 174990043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 174989986 and 174990013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (174990043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334328 + ... + 334850.

It is an arithmetic number, because the mean of its divisors is an integer number (11459880).

Almost surely, 2^174990047 is an apocalyptic number.

174990047 is a deficient number, since it is larger than the sum of its proper divisors (8368033).

174990047 is a wasteful number, since it uses less digits than its factorization.

174990047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 174990047 is about 13228.3803619340. The cubic root of 174990047 is about 559.3338667339. Note that the first 3 decimals are identical.

The spelling of 174990047 in words is "one hundred seventy-four million, nine hundred ninety thousand, forty-seven".