67758983 has 4 divisors (see below), whose sum is σ = 68869848. Its totient is φ = 66648120.

The previous prime is 67758961. The next prime is 67759001. The reversal of 67758983 is 38985776.

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

It is a cyclic number.

It is not a de Polignac number, because 67758983 - 2⁶ = 67758919 is a prime.

It is a super-3 number, since 3×67758983³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67758953) 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, 555341 + ... + 555462.

It is an arithmetic number, because the mean of its divisors is an integer number (17217462).

Almost surely, 2^67758983 is an apocalyptic number.

67758983 is a deficient number, since it is larger than the sum of its proper divisors (1110865).

67758983 is a wasteful number, since it uses less digits than its factorization.

67758983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110864.

The product of its digits is 2540160, while the sum is 53.

The square root of 67758983 is about 8231.5844768793. The cubic root of 67758983 is about 407.6827097913.

The spelling of 67758983 in words is "sixty-seven million, seven hundred fifty-eight thousand, nine hundred eighty-three".