641474 has 8 divisors (see below), whose sum is σ = 984720. Its totient is φ = 313236.

The previous prime is 641471. The next prime is 641479. The reversal of 641474 is 474146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×641474³ = 791878277821333272, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 641474.

It is not an unprimeable number, because it can be changed into a prime (641471) 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, 3644 + ... + 3815.

It is an arithmetic number, because the mean of its divisors is an integer number (123090).

2⁶⁴¹⁴⁷⁴ is an apocalyptic number.

641474 is a deficient number, since it is larger than the sum of its proper divisors (343246).

641474 is a wasteful number, since it uses less digits than its factorization.

641474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7504.

The product of its digits is 2688, while the sum is 26.

The square root of 641474 is about 800.9207201715. The cubic root of 641474 is about 86.2434959739.

The spelling of 641474 in words is "six hundred forty-one thousand, four hundred seventy-four".