64070071 has 16 divisors (see below), whose sum is σ = 74188800. Its totient is φ = 54826848.

The previous prime is 64070053. The next prime is 64070081. The reversal of 64070071 is 17007046.

It is a cyclic number.

It is not a de Polignac number, because 64070071 - 2¹⁷ = 63938999 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 (64070021) 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, 8850 + ... + 14368.

It is an arithmetic number, because the mean of its divisors is an integer number (4636800).

Almost surely, 2^64070071 is an apocalyptic number.

64070071 is a deficient number, since it is larger than the sum of its proper divisors (10118729).

64070071 is a wasteful number, since it uses less digits than its factorization.

64070071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5598.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 64070071 is about 8004.3782394387. The cubic root of 64070071 is about 400.1459280061.

The spelling of 64070071 in words is "sixty-four million, seventy thousand, seventy-one".