671051304 has 192 divisors, whose sum is σ = 2350333440. Its totient is φ = 174260160.

The previous prime is 671051287. The next prime is 671051321. The reversal of 671051304 is 403150176.

It is an interprime number because it is at equal distance from previous prime (671051287) and next prime (671051321).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 147447 + ... + 151929.

It is an arithmetic number, because the mean of its divisors is an integer number (12241320).

Almost surely, 2^671051304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 671051304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1175166720).

671051304 is an abundant number, since it is smaller than the sum of its proper divisors (1679282136).

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

671051304 is a wasteful number, since it uses less digits than its factorization.

671051304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4522 (or 4506 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 671051304 is about 25904.6579595253. The cubic root of 671051304 is about 875.4914481145.

The spelling of 671051304 in words is "six hundred seventy-one million, fifty-one thousand, three hundred four".