64239068 has 12 divisors (see below), whose sum is σ = 116044992. Its totient is φ = 31083360.

The previous prime is 64239047. The next prime is 64239103. The reversal of 64239068 is 86093246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258905 + ... + 259152.

It is an arithmetic number, because the mean of its divisors is an integer number (9670416).

Almost surely, 2^64239068 is an apocalyptic number.

It is an amenable number.

64239068 is a deficient number, since it is larger than the sum of its proper divisors (51805924).

64239068 is a wasteful number, since it uses less digits than its factorization.

64239068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518092 (or 518090 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 64239068 is about 8014.9278225072. The cubic root of 64239068 is about 400.4974394619.

The spelling of 64239068 in words is "sixty-four million, two hundred thirty-nine thousand, sixty-eight".