86072722 has 8 divisors (see below), whose sum is σ = 130293900. Its totient is φ = 42641424.

The previous prime is 86072719. The next prime is 86072731. The reversal of 86072722 is 22727068.

It can be written as a sum of positive squares in 2 ways, for example, as 83704201 + 2368521 = 9149^2 + 1539^2 .

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, 197197 + ... + 197632.

Almost surely, 2^86072722 is an apocalyptic number.

86072722 is a deficient number, since it is larger than the sum of its proper divisors (44221178).

86072722 is a wasteful number, since it uses less digits than its factorization.

86072722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394940.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 86072722 is about 9277.5385744280. The cubic root of 86072722 is about 441.5248779624.

The spelling of 86072722 in words is "eighty-six million, seventy-two thousand, seven hundred twenty-two".