64946430 has 48 divisors (see below), whose sum is σ = 169781040. Its totient is φ = 17224704.

The previous prime is 64946417. The next prime is 64946437. The reversal of 64946430 is 3464946.

64946430 is a `hidden beast` number, since 6 + 4 + 9 + 4 + 643 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64946437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15501 + ... + 19239.

It is an arithmetic number, because the mean of its divisors is an integer number (3537105).

Almost surely, 2^64946430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64946430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84890520).

64946430 is an abundant number, since it is smaller than the sum of its proper divisors (104834610).

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

64946430 is a wasteful number, since it uses less digits than its factorization.

64946430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3945 (or 3942 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 64946430 is about 8058.9347931349. The cubic root of 64946430 is about 401.9620889473.

The spelling of 64946430 in words is "sixty-four million, nine hundred forty-six thousand, four hundred thirty".