69973073 has 2 divisors, whose sum is σ = 69973074. Its totient is φ = 69973072.

The previous prime is 69973051. The next prime is 69973097. The reversal of 69973073 is 37037996.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58629649 + 11343424 = 7657^2 + 3368^2 .

It is a cyclic number.

It is not a de Polignac number, because 69973073 - 2⁸ = 69972817 is a prime.

It is not a weakly prime, because it can be changed into another prime (69973373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34986536 + 34986537.

It is an arithmetic number, because the mean of its divisors is an integer number (34986537).

Almost surely, 2^69973073 is an apocalyptic number.

It is an amenable number.

69973073 is a deficient number, since it is larger than the sum of its proper divisors (1).

69973073 is an equidigital number, since it uses as much as digits as its factorization.

69973073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 214326, while the sum is 44.

The square root of 69973073 is about 8364.9909145199. The cubic root of 69973073 is about 412.0756785133.

The spelling of 69973073 in words is "sixty-nine million, nine hundred seventy-three thousand, seventy-three".