69412816 has 40 divisors (see below), whose sum is σ = 147204864. Its totient is φ = 31445760.

The previous prime is 69412789. The next prime is 69412823. The reversal of 69412816 is 61821496.

It is a happy number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80001 + ... + 80863.

Almost surely, 2^69412816 is an apocalyptic number.

It is an amenable number.

69412816 is an abundant number, since it is smaller than the sum of its proper divisors (77792048).

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

69412816 is a wasteful number, since it uses less digits than its factorization.

69412816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339 (or 1333 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 69412816 is about 8331.4354105400. The cubic root of 69412816 is about 410.9729342844.

The spelling of 69412816 in words is "sixty-nine million, four hundred twelve thousand, eight hundred sixteen".