874171421 has 4 divisors (see below), whose sum is σ = 874272192. Its totient is φ = 874070652.

The previous prime is 874171411. The next prime is 874171427. The reversal of 874171421 is 124171478.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 874171421 - 2⁶ = 874171357 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 (874171427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36005 + ... + 55178.

It is an arithmetic number, because the mean of its divisors is an integer number (218568048).

Almost surely, 2^874171421 is an apocalyptic number.

It is an amenable number.

874171421 is a deficient number, since it is larger than the sum of its proper divisors (100771).

874171421 is an equidigital number, since it uses as much as digits as its factorization.

874171421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100770.

The product of its digits is 12544, while the sum is 35.

The square root of 874171421 is about 29566.3900569549. The cubic root of 874171421 is about 956.1635884951.

The spelling of 874171421 in words is "eight hundred seventy-four million, one hundred seventy-one thousand, four hundred twenty-one".