772343444 has 12 divisors (see below), whose sum is σ = 1351812000. Its totient is φ = 386111448.

The previous prime is 772343443. The next prime is 772343447. The reversal of 772343444 is 444343277.

It is a super-2 number, since 2×772343444² = 1193028790979562272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 772343398 and 772343407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772343443) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 26507 + ... + 47405.

It is an arithmetic number, because the mean of its divisors is an integer number (112651000).

Almost surely, 2^772343444 is an apocalyptic number.

It is an amenable number.

772343444 is a deficient number, since it is larger than the sum of its proper divisors (579468556).

772343444 is a wasteful number, since it uses less digits than its factorization.

772343444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30142 (or 30140 counting only the distinct ones).

The product of its digits is 225792, while the sum is 38.

The square root of 772343444 is about 27791.0677016915. The cubic root of 772343444 is about 917.4945393384.

The spelling of 772343444 in words is "seven hundred seventy-two million, three hundred forty-three thousand, four hundred forty-four".