641472107 has 4 divisors (see below), whose sum is σ = 641523936. Its totient is φ = 641420280.

The previous prime is 641472089. The next prime is 641472133. The reversal of 641472107 is 701274146.

641472107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 701274146 = 2 ⋅350637073.

It is a cyclic number.

It is not a de Polignac number, because 641472107 - 2⁶ = 641472043 is a prime.

It is a super-2 number, since 2×641472107² = 822972928118038898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (641472607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4733 + ... + 36129.

It is an arithmetic number, because the mean of its divisors is an integer number (160380984).

Almost surely, 2^641472107 is an apocalyptic number.

641472107 is a deficient number, since it is larger than the sum of its proper divisors (51829).

641472107 is a wasteful number, since it uses less digits than its factorization.

641472107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51828.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 641472107 is about 25327.2996389272. The cubic root of 641472107 is about 862.4341113848.

The spelling of 641472107 in words is "six hundred forty-one million, four hundred seventy-two thousand, one hundred seven".