64529086 has 4 divisors (see below), whose sum is σ = 96793632. Its totient is φ = 32264542.

The previous prime is 64529083. The next prime is 64529119. The reversal of 64529086 is 68092546.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68092546 = 2 ⋅34046273.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64529083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16132270 + ... + 16132273.

It is an arithmetic number, because the mean of its divisors is an integer number (24198408).

Almost surely, 2^64529086 is an apocalyptic number.

64529086 is a deficient number, since it is larger than the sum of its proper divisors (32264546).

64529086 is a wasteful number, since it uses less digits than its factorization.

64529086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32264545.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 64529086 is about 8032.9998132703. Note that the first 3 decimals coincide. The cubic root of 64529086 is about 401.0992389173.

The spelling of 64529086 in words is "sixty-four million, five hundred twenty-nine thousand, eighty-six".