73029689 has 2 divisors, whose sum is σ = 73029690. Its totient is φ = 73029688.

The previous prime is 73029683. The next prime is 73029713. The reversal of 73029689 is 98692037.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72250000 + 779689 = 8500^2 + 883^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73029689 is a prime.

It is not a weakly prime, because it can be changed into another prime (73029683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36514844 + 36514845.

It is an arithmetic number, because the mean of its divisors is an integer number (36514845).

Almost surely, 2^73029689 is an apocalyptic number.

It is an amenable number.

73029689 is a deficient number, since it is larger than the sum of its proper divisors (1).

73029689 is an equidigital number, since it uses as much as digits as its factorization.

73029689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 73029689 is about 8545.7409860117. The cubic root of 73029689 is about 417.9905696765.

The spelling of 73029689 in words is "seventy-three million, twenty-nine thousand, six hundred eighty-nine".