64105773 has 4 divisors (see below), whose sum is σ = 85474368. Its totient is φ = 42737180.

The previous prime is 64105771. The next prime is 64105787. The reversal of 64105773 is 37750146.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64105773 - 2¹ = 64105771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64105771) 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, 10684293 + ... + 10684298.

It is an arithmetic number, because the mean of its divisors is an integer number (21368592).

Almost surely, 2^64105773 is an apocalyptic number.

It is an amenable number.

64105773 is a deficient number, since it is larger than the sum of its proper divisors (21368595).

64105773 is a wasteful number, since it uses less digits than its factorization.

64105773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21368594.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 64105773 is about 8006.6080833272. The cubic root of 64105773 is about 400.2202391312.

The spelling of 64105773 in words is "sixty-four million, one hundred five thousand, seven hundred seventy-three".