64477073 has 16 divisors (see below), whose sum is σ = 71974656. Its totient is φ = 57446400.

The previous prime is 64477067. The next prime is 64477079. The reversal of 64477073 is 37077446.

It is an interprime number because it is at equal distance from previous prime (64477067) and next prime (64477079).

It is not a de Polignac number, because 64477073 - 2⁴ = 64477057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64477079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39473 + ... + 41073.

It is an arithmetic number, because the mean of its divisors is an integer number (4498416).

Almost surely, 2^64477073 is an apocalyptic number.

It is an amenable number.

64477073 is a deficient number, since it is larger than the sum of its proper divisors (7497583).

64477073 is a wasteful number, since it uses less digits than its factorization.

64477073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744.

The product of its (nonzero) digits is 98784, while the sum is 38.

The square root of 64477073 is about 8029.7617025663. The cubic root of 64477073 is about 400.9914426567.

The spelling of 64477073 in words is "sixty-four million, four hundred seventy-seven thousand, seventy-three".