671262748 has 48 divisors (see below), whose sum is σ = 1345649760. Its totient is φ = 290248704.

The previous prime is 671262737. The next prime is 671262773. The reversal of 671262748 is 847262176.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204343 + ... + 207601.

It is an arithmetic number, because the mean of its divisors is an integer number (28034370).

Almost surely, 2^671262748 is an apocalyptic number.

671262748 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

671262748 is an abundant number, since it is smaller than the sum of its proper divisors (674387012).

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

671262748 is a wasteful number, since it uses less digits than its factorization.

671262748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3526 (or 3524 counting only the distinct ones).

The product of its digits is 225792, while the sum is 43.

The square root of 671262748 is about 25908.7388346095. The cubic root of 671262748 is about 875.5833923881.

The spelling of 671262748 in words is "six hundred seventy-one million, two hundred sixty-two thousand, seven hundred forty-eight".