641707132 has 24 divisors (see below), whose sum is σ = 1258190640. Its totient is φ = 283800960.

The previous prime is 641707127. The next prime is 641707147. The reversal of 641707132 is 231707146.

It is a junction number, because it is equal to n+sod(n) for n = 641707094 and 641707103.

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, 195457 + ... + 198712.

It is an arithmetic number, because the mean of its divisors is an integer number (52424610).

Almost surely, 2^641707132 is an apocalyptic number.

It is an amenable number.

641707132 is a deficient number, since it is larger than the sum of its proper divisors (616483508).

641707132 is a wasteful number, since it uses less digits than its factorization.

641707132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394221 (or 394219 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 641707132 is about 25331.9389703986. The cubic root of 641707132 is about 862.5394258250.

The spelling of 641707132 in words is "six hundred forty-one million, seven hundred seven thousand, one hundred thirty-two".