73494170140 has 12 divisors (see below), whose sum is σ = 154337757336. Its totient is φ = 29397668048.

The previous prime is 73494170051. The next prime is 73494170149. The reversal of 73494170140 is 4107149437.

It is a junction number, because it is equal to n+sod(n) for n = 73494170093 and 73494170102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73494170149) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1837354234 + ... + 1837354273.

It is an arithmetic number, because the mean of its divisors is an integer number (12861479778).

Almost surely, 2^73494170140 is an apocalyptic number.

It is an amenable number.

73494170140 is an abundant number, since it is smaller than the sum of its proper divisors (80843587196).

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

73494170140 is a wasteful number, since it uses less digits than its factorization.

73494170140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3674708516 (or 3674708514 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 73494170140 in words is "seventy-three billion, four hundred ninety-four million, one hundred seventy thousand, one hundred forty".