68480637 has 12 divisors (see below), whose sum is σ = 95452224. Its totient is φ = 43667800.

The previous prime is 68480627. The next prime is 68480647. The reversal of 68480637 is 73608486.

It is an interprime number because it is at equal distance from previous prime (68480627) and next prime (68480647).

It is not a de Polignac number, because 68480637 - 2⁷ = 68480509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68480627) 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, 19989 + ... + 23162.

It is an arithmetic number, because the mean of its divisors is an integer number (7954352).

Almost surely, 2^68480637 is an apocalyptic number.

It is an amenable number.

68480637 is a deficient number, since it is larger than the sum of its proper divisors (26971587).

68480637 is a wasteful number, since it uses less digits than its factorization.

68480637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43200 (or 43177 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 68480637 is about 8275.3028343378. The cubic root of 68480637 is about 409.1249172581.

The spelling of 68480637 in words is "sixty-eight million, four hundred eighty thousand, six hundred thirty-seven".