64546794 has 40 divisors (see below), whose sum is σ = 155763300. Its totient is φ = 19859904.

The previous prime is 64546771. The next prime is 64546829. The reversal of 64546794 is 49764546.

It can be written as a sum of positive squares in 2 ways, for example, as 48650625 + 15896169 = 6975^2 + 3987^2 .

It is a Curzon number.

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 19 ways as a sum of consecutive naturals, for example, 13219 + ... + 17430.

Almost surely, 2^64546794 is an apocalyptic number.

64546794 is an abundant number, since it is smaller than the sum of its proper divisors (91216506).

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

64546794 is a wasteful number, since it uses less digits than its factorization.

64546794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30676 (or 30667 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 64546794 is about 8034.1019411008. The cubic root of 64546794 is about 401.1359252974.

The spelling of 64546794 in words is "sixty-four million, five hundred forty-six thousand, seven hundred ninety-four".