68483636 has 24 divisors (see below), whose sum is σ = 130840584. Its totient is φ = 31173120.

The previous prime is 68483621. The next prime is 68483647. The reversal of 68483636 is 63638486.

It can be written as a sum of positive squares in 4 ways, for example, as 256036 + 68227600 = 506^2 + 8260^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5225 + ... + 12816.

It is an arithmetic number, because the mean of its divisors is an integer number (5451691).

Almost surely, 2^68483636 is an apocalyptic number.

It is an amenable number.

68483636 is a deficient number, since it is larger than the sum of its proper divisors (62356948).

68483636 is a wasteful number, since it uses less digits than its factorization.

68483636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18131 (or 18129 counting only the distinct ones).

The product of its digits is 497664, while the sum is 44.

The square root of 68483636 is about 8275.4840341819. The cubic root of 68483636 is about 409.1308894948.

The spelling of 68483636 in words is "sixty-eight million, four hundred eighty-three thousand, six hundred thirty-six".