73985803 has 2 divisors, whose sum is σ = 73985804. Its totient is φ = 73985802.

The previous prime is 73985783. The next prime is 73985831. The reversal of 73985803 is 30858937.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73985803 - 2¹³ = 73977611 is a prime.

It is the 8602-nd Hogben number.

It is a self number, because there is not a number n which added to its sum of digits gives 73985803.

It is not a weakly prime, because it can be changed into another prime (73985893) by changing a digit.

It is a nontrivial repunit in base 8601.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36992901 + 36992902.

It is an arithmetic number, because the mean of its divisors is an integer number (36992902).

Almost surely, 2^73985803 is an apocalyptic number.

73985803 is a deficient number, since it is larger than the sum of its proper divisors (1).

73985803 is an equidigital number, since it uses as much as digits as its factorization.

73985803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 73985803 is about 8601.5000435970. The cubic root of 73985803 is about 419.8067951129.

The spelling of 73985803 in words is "seventy-three million, nine hundred eighty-five thousand, eight hundred three".