671755275 has 168 divisors, whose sum is σ = 1366162560. Its totient is φ = 326592000.

The previous prime is 671755261. The next prime is 671755291. The reversal of 671755275 is 572557176.

It is a happy number.

It is not a de Polignac number, because 671755275 - 2¹⁷ = 671624203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 671755275.

It is an unprimeable number.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 16384255 + ... + 16384295.

It is an arithmetic number, because the mean of its divisors is an integer number (8131920).

Almost surely, 2^671755275 is an apocalyptic number.

671755275 is an abundant number, since it is smaller than the sum of its proper divisors (694407285).

671755275 is a wasteful number, since it uses less digits than its factorization.

671755275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 109 counting only the distinct ones).

The product of its digits is 514500, while the sum is 45.

The square root of 671755275 is about 25918.2421278913. The cubic root of 671755275 is about 875.7974879029.

The spelling of 671755275 in words is "six hundred seventy-one million, seven hundred fifty-five thousand, two hundred seventy-five".