73490755140 has 192 divisors, whose sum is σ = 250526545920. Its totient is φ = 17737130880.

The previous prime is 73490755133. The next prime is 73490755141. The reversal of 73490755140 is 4155709437.

73490755140 is a `hidden beast` number, since 7 + 3 + 4 + 90 + 7 + 551 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (73490755141) 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 63 ways as a sum of consecutive naturals, for example, 1321129 + ... + 1375631.

It is an arithmetic number, because the mean of its divisors is an integer number (1304825760).

Almost surely, 2^73490755140 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 73490755140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125263272960).

73490755140 is an abundant number, since it is smaller than the sum of its proper divisors (177035790780).

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

73490755140 is a wasteful number, since it uses less digits than its factorization.

73490755140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54759 (or 54751 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The spelling of 73490755140 in words is "seventy-three billion, four hundred ninety million, seven hundred fifty-five thousand, one hundred forty".