78672322 has 8 divisors (see below), whose sum is σ = 118331136. Its totient is φ = 39228612.

The previous prime is 78672301. The next prime is 78672329. The reversal of 78672322 is 22327687.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (78672329) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 52858 + ... + 54325.

It is an arithmetic number, because the mean of its divisors is an integer number (14791392).

Almost surely, 2^78672322 is an apocalyptic number.

78672322 is a deficient number, since it is larger than the sum of its proper divisors (39658814).

78672322 is a wasteful number, since it uses less digits than its factorization.

78672322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107552.

The product of its digits is 56448, while the sum is 37.

The square root of 78672322 is about 8869.7419353666. The cubic root of 78672322 is about 428.4899657123.

It can be divided in two parts, 78 and 672322, that added together give a square (672400 = 820²).

The spelling of 78672322 in words is "seventy-eight million, six hundred seventy-two thousand, three hundred twenty-two".