64837434 has 16 divisors (see below), whose sum is σ = 129900672. Its totient is φ = 21574848.

The previous prime is 64837427. The next prime is 64837447. The reversal of 64837434 is 43473846.

It is a junction number, because it is equal to n+sod(n) for n = 64837392 and 64837401.

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 7 ways as a sum of consecutive naturals, for example, 5554 + ... + 12669.

It is an arithmetic number, because the mean of its divisors is an integer number (8118792).

Almost surely, 2^64837434 is an apocalyptic number.

64837434 is an abundant number, since it is smaller than the sum of its proper divisors (65063238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64837434 is a wasteful number, since it uses less digits than its factorization.

64837434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18821.

The product of its digits is 193536, while the sum is 39.

The square root of 64837434 is about 8052.1695213154. The cubic root of 64837434 is about 401.7370994601.

The spelling of 64837434 in words is "sixty-four million, eight hundred thirty-seven thousand, four hundred thirty-four".