78450722 has 8 divisors (see below), whose sum is σ = 134486976. Its totient is φ = 33621732.

The previous prime is 78450689. The next prime is 78450781. The reversal of 78450722 is 22705487.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2801798 + ... + 2801825.

It is an arithmetic number, because the mean of its divisors is an integer number (16810872).

Almost surely, 2^78450722 is an apocalyptic number.

78450722 is a deficient number, since it is larger than the sum of its proper divisors (56036254).

78450722 is a wasteful number, since it uses less digits than its factorization.

78450722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5603632.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 78450722 is about 8857.2412183478. The cubic root of 78450722 is about 428.0872714866.

The spelling of 78450722 in words is "seventy-eight million, four hundred fifty thousand, seven hundred twenty-two".