774469142 has 4 divisors (see below), whose sum is σ = 1161703716. Its totient is φ = 387234570.

The previous prime is 774469139. The next prime is 774469151. The reversal of 774469142 is 241964477.

774469142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 774469093 and 774469102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193617284 + ... + 193617287.

It is an arithmetic number, because the mean of its divisors is an integer number (290425929).

Almost surely, 2^774469142 is an apocalyptic number.

774469142 is a deficient number, since it is larger than the sum of its proper divisors (387234574).

774469142 is a wasteful number, since it uses less digits than its factorization.

774469142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387234573.

The product of its digits is 338688, while the sum is 44.

The square root of 774469142 is about 27829.2856897190. The cubic root of 774469142 is about 918.3354993144.

The spelling of 774469142 in words is "seven hundred seventy-four million, four hundred sixty-nine thousand, one hundred forty-two".