671364770 has 16 divisors (see below), whose sum is σ = 1210700088. Its totient is φ = 268047360.

The previous prime is 671364767. The next prime is 671364773. The reversal of 671364770 is 77463176.

It is an interprime number because it is at equal distance from previous prime (671364767) and next prime (671364773).

It can be written as a sum of positive squares in 4 ways, for example, as 395572321 + 275792449 = 19889^2 + 16607^2 .

It is not an unprimeable number, because it can be changed into a prime (671364773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56639 + ... + 67458.

Almost surely, 2^671364770 is an apocalyptic number.

671364770 is a deficient number, since it is larger than the sum of its proper divisors (539335318).

671364770 is a wasteful number, since it uses less digits than its factorization.

671364770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124645.

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 671364770 is about 25910.7076321740. The cubic root of 671364770 is about 875.6277487120.

The spelling of 671364770 in words is "six hundred seventy-one million, three hundred sixty-four thousand, seven hundred seventy".