68213752 has 8 divisors (see below), whose sum is σ = 127900800. Its totient is φ = 34106872.

The previous prime is 68213737. The next prime is 68213759. The reversal of 68213752 is 25731286.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68213759) by changing a digit.

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, 4263352 + ... + 4263367.

It is an arithmetic number, because the mean of its divisors is an integer number (15987600).

Almost surely, 2^68213752 is an apocalyptic number.

It is an amenable number.

68213752 is a deficient number, since it is larger than the sum of its proper divisors (59687048).

68213752 is a wasteful number, since it uses less digits than its factorization.

68213752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8526725 (or 8526721 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 68213752 is about 8259.1617008023. The cubic root of 68213752 is about 408.5927402728.

The spelling of 68213752 in words is "sixty-eight million, two hundred thirteen thousand, seven hundred fifty-two".