68487346 has 4 divisors (see below), whose sum is σ = 102731022. Its totient is φ = 34243672.

The previous prime is 68487337. The next prime is 68487361. The reversal of 68487346 is 64378486.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 53363025 + 15124321 = 7305^2 + 3889^2 .

It is a junction number, because it is equal to n+sod(n) for n = 68487296 and 68487305.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17121835 + ... + 17121838.

Almost surely, 2^68487346 is an apocalyptic number.

68487346 is a deficient number, since it is larger than the sum of its proper divisors (34243676).

68487346 is a wasteful number, since it uses less digits than its factorization.

68487346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34243675.

The product of its digits is 774144, while the sum is 46.

The square root of 68487346 is about 8275.7081872188. The cubic root of 68487346 is about 409.1382773822.

The spelling of 68487346 in words is "sixty-eight million, four hundred eighty-seven thousand, three hundred forty-six".