641741115 has 8 divisors (see below), whose sum is σ = 1026785808. Its totient is φ = 342261920.

The previous prime is 641741081. The next prime is 641741117. The reversal of 641741115 is 511147146.

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

It is not a de Polignac number, because 641741115 - 2⁸ = 641740859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (641741117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21391356 + ... + 21391385.

It is an arithmetic number, because the mean of its divisors is an integer number (128348226).

Almost surely, 2^641741115 is an apocalyptic number.

641741115 is a deficient number, since it is larger than the sum of its proper divisors (385044693).

641741115 is a wasteful number, since it uses less digits than its factorization.

641741115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42782749.

The product of its digits is 3360, while the sum is 30.

The square root of 641741115 is about 25332.6097155425. The cubic root of 641741115 is about 862.5546514414.

The spelling of 641741115 in words is "six hundred forty-one million, seven hundred forty-one thousand, one hundred fifteen".