671407774 has 8 divisors (see below), whose sum is σ = 1007243928. Its totient is φ = 335659800.

The previous prime is 671407757. The next prime is 671407813. The reversal of 671407774 is 477704176.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 671407774.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2424 + ... + 36724.

It is an arithmetic number, because the mean of its divisors is an integer number (125905491).

Almost surely, 2^671407774 is an apocalyptic number.

671407774 is a deficient number, since it is larger than the sum of its proper divisors (335836154).

671407774 is a wasteful number, since it uses less digits than its factorization.

671407774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44090.

The product of its (nonzero) digits is 230496, while the sum is 43.

The square root of 671407774 is about 25911.5374688574. The cubic root of 671407774 is about 875.6464443071.

The spelling of 671407774 in words is "six hundred seventy-one million, four hundred seven thousand, seven hundred seventy-four".