69691036 has 48 divisors (see below), whose sum is σ = 129991680. Its totient is φ = 32656320.

The previous prime is 69691019. The next prime is 69691049. The reversal of 69691036 is 63019696.

It is a happy number.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 69691036.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 676561 + ... + 676663.

It is an arithmetic number, because the mean of its divisors is an integer number (2708160).

Almost surely, 2^69691036 is an apocalyptic number.

It is an amenable number.

69691036 is a deficient number, since it is larger than the sum of its proper divisors (60300644).

69691036 is a wasteful number, since it uses less digits than its factorization.

69691036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 69691036 is about 8348.1157155372. The cubic root of 69691036 is about 411.5212886510.

The spelling of 69691036 in words is "sixty-nine million, six hundred ninety-one thousand, thirty-six".