64536434 has 8 divisors (see below), whose sum is σ = 96935808. Its totient is φ = 32224500.

The previous prime is 64536391. The next prime is 64536463. The reversal of 64536434 is 43463546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 64536394 and 64536403.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 19982 + ... + 22985.

It is an arithmetic number, because the mean of its divisors is an integer number (12116976).

Almost surely, 2^64536434 is an apocalyptic number.

64536434 is a deficient number, since it is larger than the sum of its proper divisors (32399374).

64536434 is a wasteful number, since it uses less digits than its factorization.

64536434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43720.

The product of its digits is 103680, while the sum is 35.

The square root of 64536434 is about 8033.4571636376. The cubic root of 64536434 is about 401.1144628808.

The spelling of 64536434 in words is "sixty-four million, five hundred thirty-six thousand, four hundred thirty-four".