73791128 has 32 divisors (see below), whose sum is σ = 142084800. Its totient is φ = 35910912.

The previous prime is 73791127. The next prime is 73791149. The reversal of 73791128 is 82119737.

It is a junction number, because it is equal to n+sod(n) for n = 73791091 and 73791100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73791127) 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, 85676 + ... + 86532.

It is an arithmetic number, because the mean of its divisors is an integer number (4440150).

Almost surely, 2^73791128 is an apocalyptic number.

It is an amenable number.

73791128 is a deficient number, since it is larger than the sum of its proper divisors (68293672).

73791128 is a wasteful number, since it uses less digits than its factorization.

73791128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139 (or 1135 counting only the distinct ones).

The product of its digits is 21168, while the sum is 38.

The square root of 73791128 is about 8590.1762496470. The cubic root of 73791128 is about 419.4382664230.

The spelling of 73791128 in words is "seventy-three million, seven hundred ninety-one thousand, one hundred twenty-eight".