774490942 has 8 divisors (see below), whose sum is σ = 1162180656. Its totient is φ = 387097392.

The previous prime is 774490909. The next prime is 774490963. The reversal of 774490942 is 249094477.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 774490892 and 774490901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67383 + ... + 78034.

It is an arithmetic number, because the mean of its divisors is an integer number (145272582).

Almost surely, 2^774490942 is an apocalyptic number.

774490942 is a deficient number, since it is larger than the sum of its proper divisors (387689714).

774490942 is a wasteful number, since it uses less digits than its factorization.

774490942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148082.

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 774490942 is about 27829.6773606882. The cubic root of 774490942 is about 918.3441157653.

The spelling of 774490942 in words is "seven hundred seventy-four million, four hundred ninety thousand, nine hundred forty-two".