671474741 has 4 divisors (see below), whose sum is σ = 767399712. Its totient is φ = 575549772.

The previous prime is 671474717. The next prime is 671474767. The reversal of 671474741 is 147474176.

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.

It is a de Polignac number, because none of the positive numbers 2^k-671474741 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671471741) 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, 47962475 + ... + 47962488.

It is an arithmetic number, because the mean of its divisors is an integer number (191849928).

Almost surely, 2^671474741 is an apocalyptic number.

It is an amenable number.

671474741 is a deficient number, since it is larger than the sum of its proper divisors (95924971).

671474741 is an equidigital number, since it uses as much as digits as its factorization.

671474741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95924970.

The product of its digits is 131712, while the sum is 41.

The square root of 671474741 is about 25912.8296602282. The cubic root of 671474741 is about 875.6755560076.

The spelling of 671474741 in words is "six hundred seventy-one million, four hundred seventy-four thousand, seven hundred forty-one".