671003478 has 12 divisors (see below), whose sum is σ = 1453840908. Its totient is φ = 223667820.

The previous prime is 671003467. The next prime is 671003521. The reversal of 671003478 is 874300176.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18638968 + ... + 18639003.

It is an arithmetic number, because the mean of its divisors is an integer number (121153409).

Almost surely, 2^671003478 is an apocalyptic number.

671003478 is an abundant number, since it is smaller than the sum of its proper divisors (782837430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

671003478 is a wasteful number, since it uses less digits than its factorization.

671003478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37277979 (or 37277976 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 671003478 is about 25903.7348272406. The cubic root of 671003478 is about 875.4706487864.

The spelling of 671003478 in words is "six hundred seventy-one million, three thousand, four hundred seventy-eight".