68715036 has 144 divisors (see below), whose sum is σ = 199049760. Its totient is φ = 19837440.

The previous prime is 68715029. The next prime is 68715041. The reversal of 68715036 is 63051786.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 827851 + ... + 827933.

It is an arithmetic number, because the mean of its divisors is an integer number (1382290).

Almost surely, 2^68715036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68715036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99524880).

68715036 is an abundant number, since it is smaller than the sum of its proper divisors (130334724).

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

68715036 is a wasteful number, since it uses less digits than its factorization.

68715036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 68715036 is about 8289.4532992231. The cubic root of 68715036 is about 409.5911768602.

The spelling of 68715036 in words is "sixty-eight million, seven hundred fifteen thousand, thirty-six".