64024945 has 8 divisors (see below), whose sum is σ = 77059944. Its totient is φ = 51066624.

The previous prime is 64024943. The next prime is 64024963. The reversal of 64024945 is 54942046.

It can be written as a sum of positive squares in 4 ways, for example, as 14561856 + 49463089 = 3816^2 + 7033^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 64024945 - 2¹ = 64024943 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64024945.

It is not an unprimeable number, because it can be changed into a prime (64024943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17314 + ... + 20683.

It is an arithmetic number, because the mean of its divisors is an integer number (9632493).

Almost surely, 2^64024945 is an apocalyptic number.

It is an amenable number.

64024945 is a deficient number, since it is larger than the sum of its proper divisors (13034999).

64024945 is a wasteful number, since it uses less digits than its factorization.

64024945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38339.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 64024945 is about 8001.5589106124. The cubic root of 64024945 is about 400.0519619996.

The spelling of 64024945 in words is "sixty-four million, twenty-four thousand, nine hundred forty-five".