744422986 has 4 divisors (see below), whose sum is σ = 1116634482. Its totient is φ = 372211492.

The previous prime is 744422969. The next prime is 744422999. The reversal of 744422986 is 689224447.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 689224447 = 83 ⋅8303909.

It can be written as a sum of positive squares in only one way, i.e., 543775761 + 200647225 = 23319^2 + 14165^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186105745 + ... + 186105748.

Almost surely, 2^744422986 is an apocalyptic number.

744422986 is a deficient number, since it is larger than the sum of its proper divisors (372211496).

744422986 is a wasteful number, since it uses less digits than its factorization.

744422986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372211495.

The product of its digits is 774144, while the sum is 46.

The square root of 744422986 is about 27284.1160018059. The cubic root of 744422986 is about 906.3026674362.

The spelling of 744422986 in words is "seven hundred forty-four million, four hundred twenty-two thousand, nine hundred eighty-six".