69040902 has 24 divisors (see below), whose sum is σ = 160626456. Its totient is φ = 19725888.

The previous prime is 69040901. The next prime is 69040903. The reversal of 69040902 is 20904096.

It is an interprime number because it is at equal distance from previous prime (69040901) and next prime (69040903).

It is a super-2 number, since 2×69040902² = 9533292297947208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 69040902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69040901) 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 11 ways as a sum of consecutive naturals, for example, 117123 + ... + 117710.

It is an arithmetic number, because the mean of its divisors is an integer number (6692769).

Almost surely, 2^69040902 is an apocalyptic number.

69040902 is an abundant number, since it is smaller than the sum of its proper divisors (91585554).

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

69040902 is a wasteful number, since it uses less digits than its factorization.

69040902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234852 (or 234845 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 69040902 is about 8309.0855092483. The cubic root of 69040902 is about 410.2376215266.

Adding to 69040902 its reverse (20904096), we get a palindrome (89944998).

The spelling of 69040902 in words is "sixty-nine million, forty thousand, nine hundred two".