73307887 has 2 divisors, whose sum is σ = 73307888. Its totient is φ = 73307886.

The previous prime is 73307869. The next prime is 73307903. The reversal of 73307887 is 78870337.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73307887 - 2¹⁵ = 73275119 is a prime.

It is a pancake number, because a pancake can be divided into 73307887 parts by 12108 straight cuts.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73307807) 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, 36653943 + 36653944.

It is an arithmetic number, because the mean of its divisors is an integer number (36653944).

Almost surely, 2^73307887 is an apocalyptic number.

73307887 is a deficient number, since it is larger than the sum of its proper divisors (1).

73307887 is an equidigital number, since it uses as much as digits as its factorization.

73307887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 197568, while the sum is 43.

The square root of 73307887 is about 8562.0025110952. The cubic root of 73307887 is about 418.5206590912.

Subtracting from 73307887 its sum of digits (43), we obtain a square (73307844 = 8562²).

The spelling of 73307887 in words is "seventy-three million, three hundred seven thousand, eight hundred eighty-seven".