73520453287 has 2 divisors, whose sum is σ = 73520453288. Its totient is φ = 73520453286.

The previous prime is 73520453207. The next prime is 73520453309. The reversal of 73520453287 is 78235402537.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73520453287 - 2²³ = 73512064679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73520453207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36760226643 + 36760226644.

It is an arithmetic number, because the mean of its divisors is an integer number (36760226644).

Almost surely, 2^73520453287 is an apocalyptic number.

73520453287 is a deficient number, since it is larger than the sum of its proper divisors (1).

73520453287 is an equidigital number, since it uses as much as digits as its factorization.

73520453287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1411200, while the sum is 46.

The spelling of 73520453287 in words is "seventy-three billion, five hundred twenty million, four hundred fifty-three thousand, two hundred eighty-seven".