774494397 has 48 divisors (see below), whose sum is σ = 1218322560. Its totient is φ = 472438656.

The previous prime is 774494393. The next prime is 774494431. The reversal of 774494397 is 793494477.

774494397 is a `hidden beast` number, since 77 + 449 + 43 + 97 = 666.

It is not a de Polignac number, because 774494397 - 2² = 774494393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (774494393) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 1056243 + ... + 1056975.

It is an arithmetic number, because the mean of its divisors is an integer number (25381720).

Almost surely, 2^774494397 is an apocalyptic number.

It is an amenable number.

774494397 is a deficient number, since it is larger than the sum of its proper divisors (443828163).

774494397 is a wasteful number, since it uses less digits than its factorization.

774494397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962 (or 959 counting only the distinct ones).

The product of its digits is 5334336, while the sum is 54.

The square root of 774494397 is about 27829.7394346408. The cubic root of 774494397 is about 918.3454813393.

The spelling of 774494397 in words is "seven hundred seventy-four million, four hundred ninety-four thousand, three hundred ninety-seven".