64473071 has 16 divisors (see below), whose sum is σ = 72769536. Its totient is φ = 56676576.

The previous prime is 64473037. The next prime is 64473077. The reversal of 64473071 is 17037446.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 64473071 - 2⁶ = 64473007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64473077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114236 + ... + 114798.

It is an arithmetic number, because the mean of its divisors is an integer number (4548096).

Almost surely, 2^64473071 is an apocalyptic number.

64473071 is a deficient number, since it is larger than the sum of its proper divisors (8296465).

64473071 is a wasteful number, since it uses less digits than its factorization.

64473071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 64473071 is about 8029.5125007686. The cubic root of 64473071 is about 400.9831461626.

The spelling of 64473071 in words is "sixty-four million, four hundred seventy-three thousand, seventy-one".