69494773 has 2 divisors, whose sum is σ = 69494774. Its totient is φ = 69494772.

The previous prime is 69494771. The next prime is 69494807. The reversal of 69494773 is 37749496.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35307364 + 34187409 = 5942^2 + 5847^2 .

It is a cyclic number.

It is not a de Polignac number, because 69494773 - 2¹ = 69494771 is a prime.

Together with 69494771, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69494771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34747386 + 34747387.

It is an arithmetic number, because the mean of its divisors is an integer number (34747387).

Almost surely, 2^69494773 is an apocalyptic number.

It is an amenable number.

69494773 is a deficient number, since it is larger than the sum of its proper divisors (1).

69494773 is an equidigital number, since it uses as much as digits as its factorization.

69494773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 49.

The square root of 69494773 is about 8336.3524997447. The cubic root of 69494773 is about 411.1346184567.

The spelling of 69494773 in words is "sixty-nine million, four hundred ninety-four thousand, seven hundred seventy-three".