671350080 has 56 divisors (see below), whose sum is σ = 2131539552. Its totient is φ = 179026432.

The previous prime is 671350037. The next prime is 671350091. The reversal of 671350080 is 80053176.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348702 + ... + 350621.

Almost surely, 2^671350080 is an apocalyptic number.

671350080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

671350080 is an abundant number, since it is smaller than the sum of its proper divisors (1460189472).

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

671350080 is a wasteful number, since it uses less digits than its factorization.

671350080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699343 (or 699333 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 671350080 is about 25910.4241570840. The cubic root of 671350080 is about 875.6213621861.

The spelling of 671350080 in words is "six hundred seventy-one million, three hundred fifty thousand, eighty".