68020052 has 6 divisors (see below), whose sum is σ = 119035098. Its totient is φ = 34010024.

The previous prime is 68020037. The next prime is 68020061. The reversal of 68020052 is 25002086.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 67831696 + 188356 = 8236^2 + 434^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8502503 + ... + 8502510.

It is an arithmetic number, because the mean of its divisors is an integer number (19839183).

Almost surely, 2^68020052 is an apocalyptic number.

It is an amenable number.

68020052 is a deficient number, since it is larger than the sum of its proper divisors (51015046).

68020052 is a wasteful number, since it uses less digits than its factorization.

68020052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17005017 (or 17005015 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 68020052 is about 8247.4269927051. The cubic root of 68020052 is about 408.2056265175.

The spelling of 68020052 in words is "sixty-eight million, twenty thousand, fifty-two".