64837345 has 16 divisors (see below), whose sum is σ = 81430272. Its totient is φ = 49466560.

The previous prime is 64837343. The next prime is 64837349. The reversal of 64837345 is 54373846.

It is not a de Polignac number, because 64837345 - 2¹ = 64837343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64837298 and 64837307.

It is not an unprimeable number, because it can be changed into a prime (64837343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52404 + ... + 53626.

It is an arithmetic number, because the mean of its divisors is an integer number (5089392).

Almost surely, 2^64837345 is an apocalyptic number.

It is an amenable number.

64837345 is a deficient number, since it is larger than the sum of its proper divisors (16592927).

64837345 is a wasteful number, since it uses less digits than its factorization.

64837345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712.

The product of its digits is 241920, while the sum is 40.

The square root of 64837345 is about 8052.1639948526. The cubic root of 64837345 is about 401.7369156433.

The spelling of 64837345 in words is "sixty-four million, eight hundred thirty-seven thousand, three hundred forty-five".