73489688 has 16 divisors (see below), whose sum is σ = 137970000. Its totient is φ = 36697696.

The previous prime is 73489681. The next prime is 73489699. The reversal of 73489688 is 88698437.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73489681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1238 + ... + 12186.

It is an arithmetic number, because the mean of its divisors is an integer number (8623125).

Almost surely, 2^73489688 is an apocalyptic number.

It is an amenable number.

73489688 is a deficient number, since it is larger than the sum of its proper divisors (64480312).

73489688 is a wasteful number, since it uses less digits than its factorization.

73489688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11794 (or 11790 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 53.

The square root of 73489688 is about 8572.6126705923. The cubic root of 73489688 is about 418.8663456918.

The spelling of 73489688 in words is "seventy-three million, four hundred eighty-nine thousand, six hundred eighty-eight".