67489994 has 16 divisors (see below), whose sum is σ = 118933920. Its totient is φ = 28317360.

The previous prime is 67489993. The next prime is 67490009. The reversal of 67489994 is 49998476.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (67489993) 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, 117704 + ... + 118275.

It is an arithmetic number, because the mean of its divisors is an integer number (7433370).

Almost surely, 2^67489994 is an apocalyptic number.

67489994 is a deficient number, since it is larger than the sum of its proper divisors (51443926).

67489994 is a wasteful number, since it uses less digits than its factorization.

67489994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236005.

The product of its digits is 3919104, while the sum is 56.

The square root of 67489994 is about 8215.2293942409. The cubic root of 67489994 is about 407.1425226338.

The spelling of 67489994 in words is "sixty-seven million, four hundred eighty-nine thousand, nine hundred ninety-four".