73407168222493 has 4 divisors (see below), whose sum is σ = 83893906540000. Its totient is φ = 62920429904988.

The previous prime is 73407168222481. The next prime is 73407168222497. The reversal of 73407168222493 is 39422286170437.

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-73407168222493 is a prime.

It is a super-2 number, since 2×73407168222493² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73407168222497) 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, 5243369158743 + ... + 5243369158756.

It is an arithmetic number, because the mean of its divisors is an integer number (20973476635000).

Almost surely, 2^{73407168222493} is an apocalyptic number.

It is an amenable number.

73407168222493 is a deficient number, since it is larger than the sum of its proper divisors (10486738317507).

73407168222493 is a wasteful number, since it uses less digits than its factorization.

73407168222493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10486738317506.

The product of its (nonzero) digits is 24385536, while the sum is 58.

The spelling of 73407168222493 in words is "seventy-three trillion, four hundred seven billion, one hundred sixty-eight million, two hundred twenty-two thousand, four hundred ninety-three".