641703000 has 64 divisors (see below), whose sum is σ = 2002122720. Its totient is φ = 171120000.

The previous prime is 641702987. The next prime is 641703001. The reversal of 641703000 is 307146.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641703001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103951 + ... + 109950.

Almost surely, 2^641703000 is an apocalyptic number.

641703000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

641703000 is an abundant number, since it is smaller than the sum of its proper divisors (1360419720).

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

641703000 is a wasteful number, since it uses less digits than its factorization.

641703000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213925 (or 213911 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 641703000 is about 25331.8574131468. The cubic root of 641703000 is about 862.5375745025.

The spelling of 641703000 in words is "six hundred forty-one million, seven hundred three thousand".