671227434 has 48 divisors (see below), whose sum is σ = 1499546880. Its totient is φ = 216833760.

The previous prime is 671227429. The next prime is 671227499. The reversal of 671227434 is 434722176.

Its product of digits (56448) is a multiple of the sum of its prime divisors (4032).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178627 + ... + 182345.

It is an arithmetic number, because the mean of its divisors is an integer number (31240560).

Almost surely, 2^671227434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 671227434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (749773440).

671227434 is an abundant number, since it is smaller than the sum of its proper divisors (828319446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

671227434 is a wasteful number, since it uses less digits than its factorization.

671227434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4035 (or 4032 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 671227434 is about 25908.0573181395. The cubic root of 671227434 is about 875.5680377974.

The spelling of 671227434 in words is "six hundred seventy-one million, two hundred twenty-seven thousand, four hundred thirty-four".