641272 has 16 divisors (see below), whose sum is σ = 1220400. Its totient is φ = 315840.

The previous prime is 641261. The next prime is 641279. The reversal of 641272 is 272146.

641272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×641272² = 822459555968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641279) 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, 4 + ... + 1132.

It is an arithmetic number, because the mean of its divisors is an integer number (76275).

2⁶⁴¹²⁷² is an apocalyptic number.

It is an amenable number.

641272 is a deficient number, since it is larger than the sum of its proper divisors (579128).

641272 is a wasteful number, since it uses less digits than its factorization.

641272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206 (or 1202 counting only the distinct ones).

The product of its digits is 672, while the sum is 22.

The square root of 641272 is about 800.7946053764. The cubic root of 641272 is about 86.2344423385.

The spelling of 641272 in words is "six hundred forty-one thousand, two hundred seventy-two".