68076730 has 16 divisors (see below), whose sum is σ = 123019560. Its totient is φ = 27123712.

The previous prime is 68076709. The next prime is 68076731. The reversal of 68076730 is 3767086.

It can be written as a sum of positive squares in 4 ways, for example, as 63027721 + 5049009 = 7939^2 + 2247^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68076730.

It is not an unprimeable number, because it can be changed into a prime (68076731) 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, 10675 + ... + 15814.

Almost surely, 2^68076730 is an apocalyptic number.

68076730 is a deficient number, since it is larger than the sum of its proper divisors (54942830).

68076730 is a wasteful number, since it uses less digits than its factorization.

68076730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26753.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 68076730 is about 8250.8623791698. The cubic root of 68076730 is about 408.3189747369.

The spelling of 68076730 in words is "sixty-eight million, seventy-six thousand, seven hundred thirty".