64999941 has 8 divisors (see below), whose sum is σ = 86806464. Its totient is φ = 43263360.

The previous prime is 64999939. The next prime is 64999943. The reversal of 64999941 is 14999946.

It is an interprime number because it is at equal distance from previous prime (64999939) and next prime (64999943).

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

It is not a de Polignac number, because 64999941 - 2¹ = 64999939 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64999943) 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, 15276 + ... + 19061.

It is an arithmetic number, because the mean of its divisors is an integer number (10850808).

Almost surely, 2^64999941 is an apocalyptic number.

It is an amenable number.

64999941 is a deficient number, since it is larger than the sum of its proper divisors (21806523).

64999941 is a wasteful number, since it uses less digits than its factorization.

64999941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34971.

The product of its digits is 629856, while the sum is 51.

The square root of 64999941 is about 8062.2540892730. The cubic root of 64999941 is about 402.0724542061.

The spelling of 64999941 in words is "sixty-four million, nine hundred ninety-nine thousand, nine hundred forty-one".