68646852 has 30 divisors (see below), whose sum is σ = 179457278. Its totient is φ = 22882176.

The previous prime is 68646797. The next prime is 68646863. The reversal of 68646852 is 25864686.

It can be written as a sum of positive squares in only one way, i.e., 66194496 + 2452356 = 8136^2 + 1566^2 .

It is a junction number, because it is equal to n+sod(n) for n = 68646798 and 68646807.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 105613 + ... + 106260.

Almost surely, 2^68646852 is an apocalyptic number.

It is an amenable number.

68646852 is an abundant number, since it is smaller than the sum of its proper divisors (110810426).

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

68646852 is a wasteful number, since it uses less digits than its factorization.

68646852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211889 (or 211878 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 68646852 is about 8285.3395826604. The cubic root of 68646852 is about 409.4556567530.

The spelling of 68646852 in words is "sixty-eight million, six hundred forty-six thousand, eight hundred fifty-two".