68293770 has 64 divisors (see below), whose sum is σ = 169382016. Its totient is φ = 17614080.

The previous prime is 68293751. The next prime is 68293781. The reversal of 68293770 is 7739286.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122332 + ... + 122888.

It is an arithmetic number, because the mean of its divisors is an integer number (2646594).

Almost surely, 2^68293770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68293770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84691008).

68293770 is an abundant number, since it is smaller than the sum of its proper divisors (101088246).

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

68293770 is a wasteful number, since it uses less digits than its factorization.

68293770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 68293770 is about 8264.0044772495. The cubic root of 68293770 is about 408.7524441306.

The spelling of 68293770 in words is "sixty-eight million, two hundred ninety-three thousand, seven hundred seventy".