69729023 has 16 divisors (see below), whose sum is σ = 86592576. Its totient is φ = 54673920.

The previous prime is 69729001. The next prime is 69729061. The reversal of 69729023 is 32092796.

It is a de Polignac number, because none of the positive numbers 2^k-69729023 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69729523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6893 + ... + 13673.

It is an arithmetic number, because the mean of its divisors is an integer number (5412036).

Almost surely, 2^69729023 is an apocalyptic number.

69729023 is a deficient number, since it is larger than the sum of its proper divisors (16863553).

69729023 is a wasteful number, since it uses less digits than its factorization.

69729023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6914.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 69729023 is about 8350.3905896670. The cubic root of 69729023 is about 411.5960453708.

The spelling of 69729023 in words is "sixty-nine million, seven hundred twenty-nine thousand, twenty-three".