73432987 has 2 divisors, whose sum is σ = 73432988. Its totient is φ = 73432986.

The previous prime is 73432943. The next prime is 73432999. The reversal of 73432987 is 78923437.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73432987 - 2²³ = 65044379 is a prime.

It is not a weakly prime, because it can be changed into another prime (73432907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36716493 + 36716494.

It is an arithmetic number, because the mean of its divisors is an integer number (36716494).

Almost surely, 2^73432987 is an apocalyptic number.

73432987 is a deficient number, since it is larger than the sum of its proper divisors (1).

73432987 is an equidigital number, since it uses as much as digits as its factorization.

73432987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 43.

The square root of 73432987 is about 8569.3049309731. The cubic root of 73432987 is about 418.7585924724.

The spelling of 73432987 in words is "seventy-three million, four hundred thirty-two thousand, nine hundred eighty-seven".