64015330 has 8 divisors (see below), whose sum is σ = 115227612. Its totient is φ = 25606128.

The previous prime is 64015283. The next prime is 64015331. The reversal of 64015330 is 3351046.

It can be written as a sum of positive squares in 2 ways, for example, as 63984001 + 31329 = 7999^2 + 177^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (64015331) 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, 3200757 + ... + 3200776.

Almost surely, 2^64015330 is an apocalyptic number.

64015330 is a deficient number, since it is larger than the sum of its proper divisors (51212282).

64015330 is a wasteful number, since it uses less digits than its factorization.

64015330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6401540.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 64015330 is about 8000.9580676317. The cubic root of 64015330 is about 400.0319349503.

Adding to 64015330 its reverse (3351046), we get a palindrome (67366376).

The spelling of 64015330 in words is "sixty-four million, fifteen thousand, three hundred thirty".