73401601405 has 48 divisors (see below), whose sum is σ = 100695087360. Its totient is φ = 51281493120.

The previous prime is 73401601393. The next prime is 73401601577. The reversal of 73401601405 is 50410610437.

It is not a de Polignac number, because 73401601405 - 2¹⁵ = 73401568637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1747662 + ... + 1789168.

It is an arithmetic number, because the mean of its divisors is an integer number (2097814320).

Almost surely, 2^73401601405 is an apocalyptic number.

It is an amenable number.

73401601405 is a deficient number, since it is larger than the sum of its proper divisors (27293485955).

73401601405 is a wasteful number, since it uses less digits than its factorization.

73401601405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41650 (or 41639 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 73401601405 in words is "seventy-three billion, four hundred one million, six hundred one thousand, four hundred five".