78069722 has 8 divisors (see below), whose sum is σ = 117718272. Its totient is φ = 38830300.

The previous prime is 78069713. The next prime is 78069829. The reversal of 78069722 is 22796087.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 78069722.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101804 + ... + 102567.

It is an arithmetic number, because the mean of its divisors is an integer number (14714784).

Almost surely, 2^78069722 is an apocalyptic number.

78069722 is a deficient number, since it is larger than the sum of its proper divisors (39648550).

78069722 is a wasteful number, since it uses less digits than its factorization.

78069722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204564.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 78069722 is about 8835.7072156110. The cubic root of 78069722 is about 427.3931372261.

The spelling of 78069722 in words is "seventy-eight million, sixty-nine thousand, seven hundred twenty-two".