671064337 has 4 divisors (see below), whose sum is σ = 671118336. Its totient is φ = 671010340.

The previous prime is 671064269. The next prime is 671064349. The reversal of 671064337 is 733460176.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 671064337 - 2⁷ = 671064209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 671064296 and 671064305.

It is not an unprimeable number, because it can be changed into a prime (671064397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2088 + ... + 36694.

It is an arithmetic number, because the mean of its divisors is an integer number (167779584).

Almost surely, 2^671064337 is an apocalyptic number.

It is an amenable number.

671064337 is a deficient number, since it is larger than the sum of its proper divisors (53999).

671064337 is a wasteful number, since it uses less digits than its factorization.

671064337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53998.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 671064337 is about 25904.9095153795. The cubic root of 671064337 is about 875.4971159406.

The spelling of 671064337 in words is "six hundred seventy-one million, sixty-four thousand, three hundred thirty-seven".