69040864 has 12 divisors (see below), whose sum is σ = 135924264. Its totient is φ = 34520416.

The previous prime is 69040847. The next prime is 69040891. The reversal of 69040864 is 46804096.

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 as a sum of consecutive naturals, namely, 1078732 + ... + 1078795.

It is an arithmetic number, because the mean of its divisors is an integer number (11327022).

Almost surely, 2^69040864 is an apocalyptic number.

It is an amenable number.

69040864 is a deficient number, since it is larger than the sum of its proper divisors (66883400).

69040864 is a wasteful number, since it uses less digits than its factorization.

69040864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157537 (or 2157529 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 69040864 is about 8309.0832225944. The cubic root of 69040864 is about 410.2375462619.

The spelling of 69040864 in words is "sixty-nine million, forty thousand, eight hundred sixty-four".