68076473 has 4 divisors (see below), whose sum is σ = 68341620. Its totient is φ = 67811328.

The previous prime is 68076469. The next prime is 68076479. The reversal of 68076473 is 37467086.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37467086 = 2 ⋅18733543.

It can be written as a sum of positive squares in 2 ways, for example, as 45873529 + 22202944 = 6773^2 + 4712^2 .

It is a cyclic number.

It is not a de Polignac number, because 68076473 - 2² = 68076469 is a prime.

It is a super-2 number, since 2×68076473² = 9268812352239458, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68076473.

It is not an unprimeable number, because it can be changed into a prime (68076479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132188 + ... + 132701.

It is an arithmetic number, because the mean of its divisors is an integer number (17085405).

Almost surely, 2^68076473 is an apocalyptic number.

It is an amenable number.

68076473 is a deficient number, since it is larger than the sum of its proper divisors (265147).

68076473 is a wasteful number, since it uses less digits than its factorization.

68076473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265146.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 68076473 is about 8250.8468050255. The cubic root of 68076473 is about 408.3184609142.

The spelling of 68076473 in words is "sixty-eight million, seventy-six thousand, four hundred seventy-three".