68802738 has 16 divisors (see below), whose sum is σ = 138483840. Its totient is φ = 22787856.

The previous prime is 68802737. The next prime is 68802749. The reversal of 68802738 is 83720886.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 68802738.

It is not an unprimeable number, because it can be changed into a prime (68802731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35578 + ... + 37461.

It is an arithmetic number, because the mean of its divisors is an integer number (8655240).

Almost surely, 2^68802738 is an apocalyptic number.

68802738 is an abundant number, since it is smaller than the sum of its proper divisors (69681102).

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

68802738 is a wasteful number, since it uses less digits than its factorization.

68802738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73201.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 68802738 is about 8294.7415872949. The cubic root of 68802738 is about 409.7653585034.

The spelling of 68802738 in words is "sixty-eight million, eight hundred two thousand, seven hundred thirty-eight".