64085716 has 12 divisors (see below), whose sum is σ = 118747188. Its totient is φ = 30157952.

The previous prime is 64085713. The next prime is 64085719. The reversal of 64085716 is 61758046.

It is an interprime number because it is at equal distance from previous prime (64085713) and next prime (64085719).

It can be written as a sum of positive squares in 2 ways, for example, as 29746116 + 34339600 = 5454^2 + 5860^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64085713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471151 + ... + 471286.

It is an arithmetic number, because the mean of its divisors is an integer number (9895599).

Almost surely, 2^64085716 is an apocalyptic number.

It is an amenable number.

64085716 is a deficient number, since it is larger than the sum of its proper divisors (54661472).

64085716 is a wasteful number, since it uses less digits than its factorization.

64085716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942458 (or 942456 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 64085716 is about 8005.3554574422. The cubic root of 64085716 is about 400.1784953367.

The spelling of 64085716 in words is "sixty-four million, eighty-five thousand, seven hundred sixteen".