73908025056 has 72 divisors (see below), whose sum is σ = 210363032880. Its totient is φ = 24614078976.

The previous prime is 73908025049. The next prime is 73908025057. The reversal of 73908025056 is 65052080937.

It is a happy number.

73908025056 is a `hidden beast` number, since 7 + 390 + 8 + 0 + 250 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73908025057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211501 + ... + 438803.

It is an arithmetic number, because the mean of its divisors is an integer number (2921708790).

Almost surely, 2^73908025056 is an apocalyptic number.

It is an amenable number.

73908025056 is an abundant number, since it is smaller than the sum of its proper divisors (136455007824).

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

73908025056 is a wasteful number, since it uses less digits than its factorization.

73908025056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228448 (or 228437 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 73908025056 in words is "seventy-three billion, nine hundred eight million, twenty-five thousand, fifty-six".