86744722 has 4 divisors (see below), whose sum is σ = 130117086. Its totient is φ = 43372360.

The previous prime is 86744719. The next prime is 86744731. The reversal of 86744722 is 22744768.

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., 74149321 + 12595401 = 8611^2 + 3549^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21686179 + ... + 21686182.

Almost surely, 2^86744722 is an apocalyptic number.

86744722 is a deficient number, since it is larger than the sum of its proper divisors (43372364).

86744722 is a wasteful number, since it uses less digits than its factorization.

86744722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43372363.

The product of its digits is 150528, while the sum is 40.

The square root of 86744722 is about 9313.6846629033. The cubic root of 86744722 is about 442.6709471762.

The spelling of 86744722 in words is "eighty-six million, seven hundred forty-four thousand, seven hundred twenty-two".