68727804570 has 48 divisors (see below), whose sum is σ = 178993766952. Its totient is φ = 18296494080.

The previous prime is 68727804451. The next prime is 68727804571. The reversal of 68727804570 is 7540872786.

It is a happy number.

68727804570 is a `hidden beast` number, since 68 + 7 + 2 + 7 + 8 + 0 + 4 + 570 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 38220641001 + 30507163569 = 195501^2 + 174663^2 .

It is a super-2 number, since 2×68727804570² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68727804571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 590511 + ... + 697250.

Almost surely, 2^68727804570 is an apocalyptic number.

68727804570 is an abundant number, since it is smaller than the sum of its proper divisors (110265962382).

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

68727804570 is a wasteful number, since it uses less digits than its factorization.

68727804570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288367 (or 1288364 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 54.

The spelling of 68727804570 in words is "sixty-eight billion, seven hundred twenty-seven million, eight hundred four thousand, five hundred seventy".