69996646 has 16 divisors (see below), whose sum is σ = 112336560. Its totient is φ = 32611680.

The previous prime is 69996643. The next prime is 69996649. The reversal of 69996646 is 64669996.

It is an interprime number because it is at equal distance from previous prime (69996643) and next prime (69996649).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69996643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12781 + ... + 17416.

It is an arithmetic number, because the mean of its divisors is an integer number (7021035).

Almost surely, 2^69996646 is an apocalyptic number.

69996646 is a deficient number, since it is larger than the sum of its proper divisors (42339914).

69996646 is a wasteful number, since it uses less digits than its factorization.

69996646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30279.

The product of its digits is 3779136, while the sum is 55.

The square root of 69996646 is about 8366.3998231019. The cubic root of 69996646 is about 412.1219475943.

The spelling of 69996646 in words is "sixty-nine million, nine hundred ninety-six thousand, six hundred forty-six".