73355677457 has 4 divisors (see below), whose sum is σ = 73476527616. Its totient is φ = 73234827300.

The previous prime is 73355677387. The next prime is 73355677459. The reversal of 73355677457 is 75477655337.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73355677457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73355677396 and 73355677405.

It is not an unprimeable number, because it can be changed into a prime (73355677459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60424169 + ... + 60425382.

It is an arithmetic number, because the mean of its divisors is an integer number (18369131904).

Almost surely, 2^73355677457 is an apocalyptic number.

It is an amenable number.

73355677457 is a deficient number, since it is larger than the sum of its proper divisors (120850159).

73355677457 is a wasteful number, since it uses less digits than its factorization.

73355677457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120850158.

The product of its digits is 64827000, while the sum is 59.

The spelling of 73355677457 in words is "seventy-three billion, three hundred fifty-five million, six hundred seventy-seven thousand, four hundred fifty-seven".