671769273 has 16 divisors (see below), whose sum is σ = 1044540800. Its totient is φ = 383867568.

The previous prime is 671769251. The next prime is 671769277. The reversal of 671769273 is 372967176.

It is not a de Polignac number, because 671769273 - 2⁶ = 671769209 is a prime.

It is a super-2 number, since 2×671769273² = 902547912293897058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (671769277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325390 + ... + 327447.

It is an arithmetic number, because the mean of its divisors is an integer number (65283800).

Almost surely, 2^671769273 is an apocalyptic number.

It is an amenable number.

671769273 is a deficient number, since it is larger than the sum of its proper divisors (372771527).

671769273 is an equidigital number, since it uses as much as digits as its factorization.

671769273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652861 (or 652847 counting only the distinct ones).

The product of its digits is 666792, while the sum is 48.

The square root of 671769273 is about 25918.5121679467. The cubic root of 671769273 is about 875.8035711342.

The spelling of 671769273 in words is "six hundred seventy-one million, seven hundred sixty-nine thousand, two hundred seventy-three".