73405037601 has 12 divisors (see below), whose sum is σ = 121176570112. Its totient is φ = 41945735736.

The previous prime is 73405037549. The next prime is 73405037677. The reversal of 73405037601 is 10673050437.

73405037601 is a `hidden beast` number, since 7 + 3 + 40 + 5 + 0 + 3 + 7 + 601 = 666.

It is not a de Polignac number, because 73405037601 - 2⁷ = 73405037473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73405037401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 582579601 + ... + 582579726.

Almost surely, 2^73405037601 is an apocalyptic number.

It is an amenable number.

73405037601 is a deficient number, since it is larger than the sum of its proper divisors (47771532511).

73405037601 is a wasteful number, since it uses less digits than its factorization.

73405037601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165159340 (or 1165159337 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The spelling of 73405037601 in words is "seventy-three billion, four hundred five million, thirty-seven thousand, six hundred one".