73399478736 has 40 divisors (see below), whose sum is σ = 192445407904. Its totient is φ = 24101320320.

The previous prime is 73399478687. The next prime is 73399478741. The reversal of 73399478736 is 63787499337.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11408395 + ... + 11414826.

Almost surely, 2^73399478736 is an apocalyptic number.

It is an amenable number.

73399478736 is an abundant number, since it is smaller than the sum of its proper divisors (119045929168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73399478736 is a wasteful number, since it uses less digits than its factorization.

73399478736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22823299 (or 22823293 counting only the distinct ones).

The product of its digits is 144027072, while the sum is 66.

The spelling of 73399478736 in words is "seventy-three billion, three hundred ninety-nine million, four hundred seventy-eight thousand, seven hundred thirty-six".