68035392 has 84 divisors (see below), whose sum is σ = 201785220. Its totient is φ = 21891072.

The previous prime is 68035391. The next prime is 68035393. The reversal of 68035392 is 29353086.

It is an interprime number because it is at equal distance from previous prime (68035391) and next prime (68035393).

It can be written as a sum of positive squares in 2 ways, for example, as 19927296 + 48108096 = 4464^2 + 6936^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68035391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14668 + ... + 18740.

It is an arithmetic number, because the mean of its divisors is an integer number (2402205).

Almost surely, 2^68035392 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 68035392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100892610).

68035392 is an abundant number, since it is smaller than the sum of its proper divisors (133749828).

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

68035392 is a wasteful number, since it uses less digits than its factorization.

68035392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4120 (or 4107 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 68035392 is about 8248.3569272916. The cubic root of 68035392 is about 408.2363106244.

The spelling of 68035392 in words is "sixty-eight million, thirty-five thousand, three hundred ninety-two".