69921343 has 2 divisors, whose sum is σ = 69921344. Its totient is φ = 69921342.

The previous prime is 69921329. The next prime is 69921409. The reversal of 69921343 is 34312996.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 69921343 - 2¹⁷ = 69790271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69921743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34960671 + 34960672.

It is an arithmetic number, because the mean of its divisors is an integer number (34960672).

Almost surely, 2^69921343 is an apocalyptic number.

69921343 is a deficient number, since it is larger than the sum of its proper divisors (1).

69921343 is an equidigital number, since it uses as much as digits as its factorization.

69921343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 37.

The square root of 69921343 is about 8361.8982892642. The cubic root of 69921343 is about 411.9741064413.

The spelling of 69921343 in words is "sixty-nine million, nine hundred twenty-one thousand, three hundred forty-three".