68213750 has 80 divisors (see below), whose sum is σ = 144066384. Its totient is φ = 24200000.

The previous prime is 68213737. The next prime is 68213759. The reversal of 68213750 is 5731286.

It is a happy number.

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 polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1663730 + ... + 1663770.

Almost surely, 2^68213750 is an apocalyptic number.

68213750 is an abundant number, since it is smaller than the sum of its proper divisors (75852634).

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

68213750 is an equidigital number, since it uses as much as digits as its factorization.

68213750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 68213750 is about 8259.1615797247. The cubic root of 68213750 is about 408.5927362796.

The spelling of 68213750 in words is "sixty-eight million, two hundred thirteen thousand, seven hundred fifty".