774377442 has 32 divisors (see below), whose sum is σ = 1723412160. Its totient is φ = 257739840.

The previous prime is 774377441. The next prime is 774377521. The reversal of 774377442 is 244773477.

It is not an unprimeable number, because it can be changed into a prime (774377441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26938 + ... + 47690.

It is an arithmetic number, because the mean of its divisors is an integer number (53856630).

Almost surely, 2^774377442 is an apocalyptic number.

774377442 is an abundant number, since it is smaller than the sum of its proper divisors (949034718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

774377442 is a wasteful number, since it uses less digits than its factorization.

774377442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21455 (or 21449 counting only the distinct ones).

The product of its digits is 921984, while the sum is 45.

The square root of 774377442 is about 27827.6380959650. The cubic root of 774377442 is about 918.2992531148.

The spelling of 774377442 in words is "seven hundred seventy-four million, three hundred seventy-seven thousand, four hundred forty-two".