73740134403 has 32 divisors (see below), whose sum is σ = 121443194880. Its totient is φ = 43914713760.

The previous prime is 73740134339. The next prime is 73740134431. The reversal of 73740134403 is 30443104737.

It is not a de Polignac number, because 73740134403 - 2⁶ = 73740134339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73740134803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3377601 + ... + 3399362.

It is an arithmetic number, because the mean of its divisors is an integer number (3795099840).

Almost surely, 2^73740134403 is an apocalyptic number.

73740134403 is a deficient number, since it is larger than the sum of its proper divisors (47703060477).

73740134403 is a wasteful number, since it uses less digits than its factorization.

73740134403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6777016 (or 6777010 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 36.

The spelling of 73740134403 in words is "seventy-three billion, seven hundred forty million, one hundred thirty-four thousand, four hundred three".