64085073 has 32 divisors (see below), whose sum is σ = 95760000. Its totient is φ = 37863936.

The previous prime is 64085059. The next prime is 64085101. The reversal of 64085073 is 37058046.

It is not a de Polignac number, because 64085073 - 2¹⁶ = 64019537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64085023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128178 + ... + 128676.

It is an arithmetic number, because the mean of its divisors is an integer number (2992500).

Almost surely, 2^64085073 is an apocalyptic number.

It is an amenable number.

64085073 is a deficient number, since it is larger than the sum of its proper divisors (31674927).

64085073 is a wasteful number, since it uses less digits than its factorization.

64085073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 64085073 is about 8005.3152967263. The cubic root of 64085073 is about 400.1771569436.

The spelling of 64085073 in words is "sixty-four million, eighty-five thousand, seventy-three".