64712075 has 12 divisors (see below), whose sum is σ = 82412880. Its totient is φ = 50369760.

The previous prime is 64712071. The next prime is 64712129. The reversal of 64712075 is 57021746.

It is not a de Polignac number, because 64712075 - 2² = 64712071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64712071) 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 11 ways as a sum of consecutive naturals, for example, 34055 + ... + 35904.

It is an arithmetic number, because the mean of its divisors is an integer number (6867740).

Almost surely, 2^64712075 is an apocalyptic number.

64712075 is a deficient number, since it is larger than the sum of its proper divisors (17700805).

64712075 is a wasteful number, since it uses less digits than its factorization.

64712075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70006 (or 70001 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 64712075 is about 8044.3815797114. The cubic root of 64712075 is about 401.4780214879.

The spelling of 64712075 in words is "sixty-four million, seven hundred twelve thousand, seventy-five".