68602052 has 18 divisors (see below), whose sum is σ = 124342218. Its totient is φ = 33116608.

The previous prime is 68602049. The next prime is 68602063. The reversal of 68602052 is 25020686.

It can be written as a sum of positive squares in 3 ways, for example, as 12292036 + 56310016 = 3506^2 + 7504^2 .

It is a super-2 number, since 2×68602052² = 9412483077221408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6833 + ... + 13560.

It is an arithmetic number, because the mean of its divisors is an integer number (6907901).

Almost surely, 2^68602052 is an apocalyptic number.

It is an amenable number.

68602052 is a deficient number, since it is larger than the sum of its proper divisors (55740166).

68602052 is a wasteful number, since it uses less digits than its factorization.

68602052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20455 (or 20424 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 68602052 is about 8282.6355708796. The cubic root of 68602052 is about 409.3665649992.

The spelling of 68602052 in words is "sixty-eight million, six hundred two thousand, fifty-two".