64087673 has 12 divisors (see below), whose sum is σ = 71018640. Its totient is φ = 57775536.

The previous prime is 64087669. The next prime is 64087679. The reversal of 64087673 is 37678046.

It is not a de Polignac number, because 64087673 - 2² = 64087669 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 64087673.

It is not an unprimeable number, because it can be changed into a prime (64087679) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2858 + ... + 11676.

It is an arithmetic number, because the mean of its divisors is an integer number (5918220).

Almost surely, 2^64087673 is an apocalyptic number.

It is an amenable number.

64087673 is a deficient number, since it is larger than the sum of its proper divisors (6930967).

64087673 is a wasteful number, since it uses less digits than its factorization.

64087673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8888 (or 8875 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 64087673 is about 8005.4776871839. The cubic root of 64087673 is about 400.1825687423.

The spelling of 64087673 in words is "sixty-four million, eighty-seven thousand, six hundred seventy-three".