73090442352 has 40 divisors (see below), whose sum is σ = 189302415120. Its totient is φ = 24300843520.

The previous prime is 73090442339. The next prime is 73090442393. The reversal of 73090442352 is 25324409037.

It is a super-2 number, since 2×73090442352² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 73090442352.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1938549 + ... + 1975892.

It is an arithmetic number, because the mean of its divisors is an integer number (4732560378).

Almost surely, 2^73090442352 is an apocalyptic number.

It is an amenable number.

73090442352 is an abundant number, since it is smaller than the sum of its proper divisors (116211972768).

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

73090442352 is a wasteful number, since it uses less digits than its factorization.

73090442352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3914841 (or 3914835 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 73090442352 in words is "seventy-three billion, ninety million, four hundred forty-two thousand, three hundred fifty-two".