671036090 has 8 divisors (see below), whose sum is σ = 1207864980. Its totient is φ = 268414432.

The previous prime is 671036083. The next prime is 671036099. The reversal of 671036090 is 90630176.

It can be written as a sum of positive squares in 2 ways, for example, as 634687249 + 36348841 = 25193^2 + 6029^2 .

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

It is not an unprimeable number, because it can be changed into a prime (671036099) 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, 33551795 + ... + 33551814.

Almost surely, 2^671036090 is an apocalyptic number.

671036090 is a deficient number, since it is larger than the sum of its proper divisors (536828890).

671036090 is a wasteful number, since it uses less digits than its factorization.

671036090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67103616.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 671036090 is about 25904.3643041091. The cubic root of 671036090 is about 875.4848317165.

The spelling of 671036090 in words is "six hundred seventy-one million, thirty-six thousand, ninety".