73407430457 has 2 divisors, whose sum is σ = 73407430458. Its totient is φ = 73407430456.

The previous prime is 73407430403. The next prime is 73407430469. The reversal of 73407430457 is 75403470437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72617314576 + 790115881 = 269476^2 + 28109^2 .

It is a cyclic number.

It is not a de Polignac number, because 73407430457 - 2¹² = 73407426361 is a prime.

It is not a weakly prime, because it can be changed into another prime (73407400457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36703715228 + 36703715229.

It is an arithmetic number, because the mean of its divisors is an integer number (36703715229).

Almost surely, 2^73407430457 is an apocalyptic number.

It is an amenable number.

73407430457 is a deficient number, since it is larger than the sum of its proper divisors (1).

73407430457 is an equidigital number, since it uses as much as digits as its factorization.

73407430457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 987840, while the sum is 44.

The spelling of 73407430457 in words is "seventy-three billion, four hundred seven million, four hundred thirty thousand, four hundred fifty-seven".