73850040 has 192 divisors, whose sum is σ = 277486560. Its totient is φ = 16834560.

The previous prime is 73850027. The next prime is 73850047. The reversal of 73850040 is 4005837.

It is a junction number, because it is equal to n+sod(n) for n = 73849986 and 73850013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73850047) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66772 + ... + 67868.

Almost surely, 2^73850040 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 73850040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138743280).

73850040 is an abundant number, since it is smaller than the sum of its proper divisors (203636520).

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

73850040 is a wasteful number, since it uses less digits than its factorization.

73850040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142 (or 1135 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 73850040 is about 8593.6045987699. The cubic root of 73850040 is about 419.5498578609.

Adding to 73850040 its reverse (4005837), we get a palindrome (77855877).

The spelling of 73850040 in words is "seventy-three million, eight hundred fifty thousand, forty".