64801530 has 48 divisors (see below), whose sum is σ = 168881544. Its totient is φ = 17239680.

The previous prime is 64801519. The next prime is 64801531. The reversal of 64801530 is 3510846.

64801530 is a `hidden beast` number, since 648 + 0 + 15 + 3 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 55308969 + 9492561 = 7437^2 + 3081^2 .

It is a junction number, because it is equal to n+sod(n) for n = 64801494 and 64801503.

It is not an unprimeable number, because it can be changed into a prime (64801531) 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 23 ways as a sum of consecutive naturals, for example, 73452 + ... + 74328.

Almost surely, 2^64801530 is an apocalyptic number.

64801530 is an abundant number, since it is smaller than the sum of its proper divisors (104080014).

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

64801530 is a wasteful number, since it uses less digits than its factorization.

64801530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711 (or 1708 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 64801530 is about 8049.9397513273. The cubic root of 64801530 is about 401.6629312356.

The spelling of 64801530 in words is "sixty-four million, eight hundred one thousand, five hundred thirty".