68170460 has 24 divisors (see below), whose sum is σ = 144112416. Its totient is φ = 27086400.

The previous prime is 68170451. The next prime is 68170463. The reversal of 68170460 is 6407186.

It is a super-2 number, since 2×68170460² = 9294423233223200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68170463) 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, 8267 + ... + 14306.

It is an arithmetic number, because the mean of its divisors is an integer number (6004684).

Almost surely, 2^68170460 is an apocalyptic number.

It is an amenable number.

68170460 is an abundant number, since it is smaller than the sum of its proper divisors (75941956).

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

68170460 is a wasteful number, since it uses less digits than its factorization.

68170460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22733 (or 22731 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 68170460 is about 8256.5404377378. The cubic root of 68170460 is about 408.5062839020.

The spelling of 68170460 in words is "sixty-eight million, one hundred seventy thousand, four hundred sixty".