73740056 has 32 divisors (see below), whose sum is σ = 149998800. Its totient is φ = 33782400.

The previous prime is 73740053. The next prime is 73740077. The reversal of 73740056 is 65004737.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73740053) 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, 11906 + ... + 17006.

Almost surely, 2^73740056 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 73740056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74999400).

73740056 is an abundant number, since it is smaller than the sum of its proper divisors (76258744).

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

73740056 is a wasteful number, since it uses less digits than its factorization.

73740056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5259 (or 5255 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 73740056 is about 8587.2030370779. The cubic root of 73740056 is about 419.3414774833.

The spelling of 73740056 in words is "seventy-three million, seven hundred forty thousand, fifty-six".