671254662 has 16 divisors (see below), whose sum is σ = 1445779440. Its totient is φ = 206539872.

The previous prime is 671254651. The next prime is 671254669. The reversal of 671254662 is 266452176.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 671254662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671254669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4302837 + ... + 4302992.

It is an arithmetic number, because the mean of its divisors is an integer number (90361215).

Almost surely, 2^671254662 is an apocalyptic number.

671254662 is an abundant number, since it is smaller than the sum of its proper divisors (774524778).

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

671254662 is a wasteful number, since it uses less digits than its factorization.

671254662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8605847.

The product of its digits is 120960, while the sum is 39.

The square root of 671254662 is about 25908.5827864050. The cubic root of 671254662 is about 875.5798766283.

The spelling of 671254662 in words is "six hundred seventy-one million, two hundred fifty-four thousand, six hundred sixty-two".