69923047 has 2 divisors, whose sum is σ = 69923048. Its totient is φ = 69923046.

The previous prime is 69923041. The next prime is 69923093. The reversal of 69923047 is 74032996.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 69923047 - 2¹⁹ = 69398759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69923041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34961523 + 34961524.

It is an arithmetic number, because the mean of its divisors is an integer number (34961524).

Almost surely, 2^69923047 is an apocalyptic number.

69923047 is a deficient number, since it is larger than the sum of its proper divisors (1).

69923047 is an equidigital number, since it uses as much as digits as its factorization.

69923047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 69923047 is about 8362.0001793829. Note that the first 3 decimals coincide. The cubic root of 69923047 is about 411.9774530502.

The spelling of 69923047 in words is "sixty-nine million, nine hundred twenty-three thousand, forty-seven".