64147873 has 8 divisors (see below), whose sum is σ = 66040128. Its totient is φ = 62273904.

The previous prime is 64147871. The next prime is 64147883. The reversal of 64147873 is 37874146.

64147873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 64147873 - 2¹ = 64147871 is a prime.

It is a super-2 number, since 2×64147873² = 8229899220848258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64147871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2715 + ... + 11647.

It is an arithmetic number, because the mean of its divisors is an integer number (8255016).

Almost surely, 2^64147873 is an apocalyptic number.

It is an amenable number.

64147873 is a deficient number, since it is larger than the sum of its proper divisors (1892255).

64147873 is a wasteful number, since it uses less digits than its factorization.

64147873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9143.

The product of its digits is 112896, while the sum is 40.

The square root of 64147873 is about 8009.2367301760. The cubic root of 64147873 is about 400.3078317882.

The spelling of 64147873 in words is "sixty-four million, one hundred forty-seven thousand, eight hundred seventy-three".