64730834 has 32 divisors (see below), whose sum is σ = 119982720. Its totient is φ = 25567488.

The previous prime is 64730819. The next prime is 64730839. The reversal of 64730834 is 43803746.

It is a junction number, because it is equal to n+sod(n) for n = 64730794 and 64730803.

It is not an unprimeable number, because it can be changed into a prime (64730839) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6554 + ... + 13130.

It is an arithmetic number, because the mean of its divisors is an integer number (3749460).

Almost surely, 2^64730834 is an apocalyptic number.

64730834 is a deficient number, since it is larger than the sum of its proper divisors (55251886).

64730834 is a wasteful number, since it uses less digits than its factorization.

64730834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6642.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 64730834 is about 8045.5474642811. The cubic root of 64730834 is about 401.5168117682.

The spelling of 64730834 in words is "sixty-four million, seven hundred thirty thousand, eight hundred thirty-four".