73407054373 has 4 divisors (see below), whose sum is σ = 75938332140. Its totient is φ = 70875776608.

The previous prime is 73407054341. The next prime is 73407054377. The reversal of 73407054373 is 37345070437.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61980085764 + 11426968609 = 248958^2 + 106897^2 .

It is a cyclic number.

It is not a de Polignac number, because 73407054373 - 2⁵ = 73407054341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73407054377) 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, 1265638840 + ... + 1265638897.

It is an arithmetic number, because the mean of its divisors is an integer number (18984583035).

Almost surely, 2^73407054373 is an apocalyptic number.

It is an amenable number.

73407054373 is a deficient number, since it is larger than the sum of its proper divisors (2531277767).

73407054373 is a wasteful number, since it uses less digits than its factorization.

73407054373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531277766.

The product of its (nonzero) digits is 740880, while the sum is 43.

The spelling of 73407054373 in words is "seventy-three billion, four hundred seven million, fifty-four thousand, three hundred seventy-three".