73785450 has 48 divisors (see below), whose sum is σ = 185077440. Its totient is φ = 19451520.

The previous prime is 73785433. The next prime is 73785451. The reversal of 73785450 is 5458737.

It is a junction number, because it is equal to n+sod(n) for n = 73785399 and 73785408.

It is not an unprimeable number, because it can be changed into a prime (73785451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10587 + ... + 16113.

It is an arithmetic number, because the mean of its divisors is an integer number (3855780).

Almost surely, 2^73785450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73785450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92538720).

73785450 is an abundant number, since it is smaller than the sum of its proper divisors (111291990).

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

73785450 is a wasteful number, since it uses less digits than its factorization.

73785450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5631 (or 5626 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 73785450 is about 8589.8457494882. The cubic root of 73785450 is about 419.4275079862.

The spelling of 73785450 in words is "seventy-three million, seven hundred eighty-five thousand, four hundred fifty".