671060378 has 8 divisors (see below), whose sum is σ = 1007021172. Its totient is φ = 335386656.

The previous prime is 671060371. The next prime is 671060381. The reversal of 671060378 is 873060176.

It can be written as a sum of positive squares in 2 ways, for example, as 670654609 + 405769 = 25897^2 + 637^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (671060371) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 65825 + ... + 75332.

Almost surely, 2^671060378 is an apocalyptic number.

671060378 is a deficient number, since it is larger than the sum of its proper divisors (335960794).

671060378 is a wasteful number, since it uses less digits than its factorization.

671060378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143536.

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

The square root of 671060378 is about 25904.8331011802. The cubic root of 671060378 is about 875.4953942478.

The spelling of 671060378 in words is "six hundred seventy-one million, sixty thousand, three hundred seventy-eight".