774213442 has 16 divisors (see below), whose sum is σ = 1212512832. Its totient is φ = 370062000.

The previous prime is 774213421. The next prime is 774213443. The reversal of 774213442 is 244312477.

It is a junction number, because it is equal to n+sod(n) for n = 774213398 and 774213407.

It is not an unprimeable number, because it can be changed into a prime (774213443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99808 + ... + 107284.

It is an arithmetic number, because the mean of its divisors is an integer number (75782052).

Almost surely, 2^774213442 is an apocalyptic number.

774213442 is a deficient number, since it is larger than the sum of its proper divisors (438299390).

774213442 is a wasteful number, since it uses less digits than its factorization.

774213442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9753.

The product of its digits is 37632, while the sum is 34.

The square root of 774213442 is about 27824.6912291943. The cubic root of 774213442 is about 918.2344218055.

The spelling of 774213442 in words is "seven hundred seventy-four million, two hundred thirteen thousand, four hundred forty-two".