84068722 has 4 divisors (see below), whose sum is σ = 126103086. Its totient is φ = 42034360.

The previous prime is 84068713. The next prime is 84068779. The reversal of 84068722 is 22786048.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 70073641 + 13995081 = 8371^2 + 3741^2 .

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 as a sum of consecutive naturals, namely, 21017179 + ... + 21017182.

Almost surely, 2^84068722 is an apocalyptic number.

84068722 is a deficient number, since it is larger than the sum of its proper divisors (42034364).

84068722 is a wasteful number, since it uses less digits than its factorization.

84068722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42034363.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 84068722 is about 9168.8997158874. The cubic root of 84068722 is about 438.0713137012.

The spelling of 84068722 in words is "eighty-four million, sixty-eight thousand, seven hundred twenty-two".