73839936 has 84 divisors (see below), whose sum is σ = 204512672. Its totient is φ = 23510784.

The previous prime is 73839907. The next prime is 73839943. The reversal of 73839936 is 63993837.

It is a happy number.

It is a super-2 number, since 2×73839936² = 10904672296968192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 101205 + ... + 101931.

Almost surely, 2^73839936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73839936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102256336).

73839936 is an abundant number, since it is smaller than the sum of its proper divisors (130672736).

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

73839936 is a wasteful number, since it uses less digits than its factorization.

73839936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788 (or 755 counting only the distinct ones).

The product of its digits is 734832, while the sum is 48.

The square root of 73839936 is about 8593.0166996230. The cubic root of 73839936 is about 419.5307230254.

The spelling of 73839936 in words is "seventy-three million, eight hundred thirty-nine thousand, nine hundred thirty-six".