73373040457 has 2 divisors, whose sum is σ = 73373040458. Its totient is φ = 73373040456.

The previous prime is 73373040379. The next prime is 73373040479. The reversal of 73373040457 is 75404037337.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69198459136 + 4174581321 = 263056^2 + 64611^2 .

It is a cyclic number.

It is not a de Polignac number, because 73373040457 - 2¹⁵ = 73373007689 is a prime.

It is not a weakly prime, because it can be changed into another prime (73373046457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36686520228 + 36686520229.

It is an arithmetic number, because the mean of its divisors is an integer number (36686520229).

Almost surely, 2^73373040457 is an apocalyptic number.

It is an amenable number.

73373040457 is a deficient number, since it is larger than the sum of its proper divisors (1).

73373040457 is an equidigital number, since it uses as much as digits as its factorization.

73373040457 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 73373040457 in words is "seventy-three billion, three hundred seventy-three million, forty thousand, four hundred fifty-seven".