64068074500 has 48 divisors (see below), whose sum is σ = 141208507440. Its totient is φ = 25392096000.

The previous prime is 64068074491. The next prime is 64068074507. The reversal of 64068074500 is 547086046.

It can be written as a sum of positive squares in 8 ways, for example, as 15180211264 + 48887863236 = 123208^2 + 221106^2 .

It is not an unprimeable number, because it can be changed into a prime (64068074507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 533281 + ... + 642280.

It is an arithmetic number, because the mean of its divisors is an integer number (2941843905).

Almost surely, 2^64068074500 is an apocalyptic number.

It is an amenable number.

64068074500 is an abundant number, since it is smaller than the sum of its proper divisors (77140432940).

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

64068074500 is a wasteful number, since it uses less digits than its factorization.

64068074500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175689 (or 1175677 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 64068074500 in words is "sixty-four billion, sixty-eight million, seventy-four thousand, five hundred".