69252090 has 16 divisors (see below), whose sum is σ = 166205088. Its totient is φ = 18467216.

The previous prime is 69252037. The next prime is 69252091. The reversal of 69252090 is 9025296.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (69252091) 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 in 7 ways as a sum of consecutive naturals, for example, 1154172 + ... + 1154231.

It is an arithmetic number, because the mean of its divisors is an integer number (10387818).

Almost surely, 2^69252090 is an apocalyptic number.

69252090 is an abundant number, since it is smaller than the sum of its proper divisors (96952998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69252090 is a wasteful number, since it uses less digits than its factorization.

69252090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308413.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 69252090 is about 8321.7840635287. The cubic root of 69252090 is about 410.6554852972.

The spelling of 69252090 in words is "sixty-nine million, two hundred fifty-two thousand, ninety".