69972263 has 2 divisors, whose sum is σ = 69972264. Its totient is φ = 69972262.

The previous prime is 69972257. The next prime is 69972299. The reversal of 69972263 is 36227996.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 69972263 - 2²⁴ = 53195047 is a prime.

It is a super-2 number, since 2×69972263² = 9792235178682338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69972163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34986131 + 34986132.

It is an arithmetic number, because the mean of its divisors is an integer number (34986132).

Almost surely, 2^69972263 is an apocalyptic number.

69972263 is a deficient number, since it is larger than the sum of its proper divisors (1).

69972263 is an equidigital number, since it uses as much as digits as its factorization.

69972263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 44.

The square root of 69972263 is about 8364.9424983080. The cubic root of 69972263 is about 412.0740884608.

The spelling of 69972263 in words is "sixty-nine million, nine hundred seventy-two thousand, two hundred sixty-three".