69381073 has 2 divisors, whose sum is σ = 69381074. Its totient is φ = 69381072.

The previous prime is 69381043. The next prime is 69381077. The reversal of 69381073 is 37018396.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38155329 + 31225744 = 6177^2 + 5588^2 .

It is a cyclic number.

It is not a de Polignac number, because 69381073 - 2¹³ = 69372881 is a prime.

It is not a weakly prime, because it can be changed into another prime (69381077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34690536 + 34690537.

It is an arithmetic number, because the mean of its divisors is an integer number (34690537).

Almost surely, 2^69381073 is an apocalyptic number.

It is an amenable number.

69381073 is a deficient number, since it is larger than the sum of its proper divisors (1).

69381073 is an equidigital number, since it uses as much as digits as its factorization.

69381073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 69381073 is about 8329.5301788276. The cubic root of 69381073 is about 410.9102777333.

The spelling of 69381073 in words is "sixty-nine million, three hundred eighty-one thousand, seventy-three".