774422738 has 8 divisors (see below), whose sum is σ = 1163414988. Its totient is φ = 386617744.

The previous prime is 774422717. The next prime is 774422791. The reversal of 774422738 is 837224477.

It can be written as a sum of positive squares in 2 ways, for example, as 577104529 + 197318209 = 24023^2 + 14047^2 .

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

It is a super-3 number, since 3×774422738³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295181 + ... + 297792.

Almost surely, 2^774422738 is an apocalyptic number.

774422738 is a deficient number, since it is larger than the sum of its proper divisors (388992250).

774422738 is a wasteful number, since it uses less digits than its factorization.

774422738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593628.

The product of its digits is 526848, while the sum is 44.

The square root of 774422738 is about 27828.4519511956. The cubic root of 774422738 is about 918.3171575930.

The spelling of 774422738 in words is "seven hundred seventy-four million, four hundred twenty-two thousand, seven hundred thirty-eight".