64941320 has 16 divisors (see below), whose sum is σ = 146118060. Its totient is φ = 25976512.

The previous prime is 64941313. The next prime is 64941329. The reversal of 64941320 is 2314946.

It can be written as a sum of positive squares in 2 ways, for example, as 63075364 + 1865956 = 7942^2 + 1366^2 .

It is not an unprimeable number, because it can be changed into a prime (64941329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 811727 + ... + 811806.

Almost surely, 2^64941320 is an apocalyptic number.

It is an amenable number.

64941320 is an abundant number, since it is smaller than the sum of its proper divisors (81176740).

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

64941320 is a wasteful number, since it uses less digits than its factorization.

64941320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623544 (or 1623540 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 64941320 is about 8058.6177474800. The cubic root of 64941320 is about 401.9515465144.

The spelling of 64941320 in words is "sixty-four million, nine hundred forty-one thousand, three hundred twenty".