774516442 has 24 divisors (see below), whose sum is σ = 1353033396. Its totient is φ = 331547328.

The previous prime is 774516403. The next prime is 774516443. The reversal of 774516442 is 244615477.

It can be written as a sum of positive squares in 2 ways, for example, as 746437041 + 28079401 = 27321^2 + 5299^2 .

It is a junction number, because it is equal to n+sod(n) for n = 774516395 and 774516404.

It is not an unprimeable number, because it can be changed into a prime (774516443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89248 + ... + 97540.

Almost surely, 2^774516442 is an apocalyptic number.

774516442 is a deficient number, since it is larger than the sum of its proper divisors (578516954).

774516442 is a wasteful number, since it uses less digits than its factorization.

774516442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9262 (or 9255 counting only the distinct ones).

The product of its digits is 188160, while the sum is 40.

The square root of 774516442 is about 27830.1355009278. The cubic root of 774516442 is about 918.3541944362.

The spelling of 774516442 in words is "seven hundred seventy-four million, five hundred sixteen thousand, four hundred forty-two".