775324442 has 16 divisors (see below), whose sum is σ = 1171340352. Its totient is φ = 384888000.

The previous prime is 775324441. The next prime is 775324447. The reversal of 775324442 is 244423577.

It is a happy number.

It is a super-2 number, since 2×775324442² = 1202255980725222728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 775324396 and 775324405.

It is not an unprimeable number, because it can be changed into a prime (775324441) 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, 166883 + ... + 171465.

It is an arithmetic number, because the mean of its divisors is an integer number (73208772).

Almost surely, 2^775324442 is an apocalyptic number.

775324442 is a deficient number, since it is larger than the sum of its proper divisors (396015910).

775324442 is a wasteful number, since it uses less digits than its factorization.

775324442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5173.

The product of its digits is 188160, while the sum is 38.

The square root of 775324442 is about 27844.6483547557. The cubic root of 775324442 is about 918.6734354756.

The spelling of 775324442 in words is "seven hundred seventy-five million, three hundred twenty-four thousand, four hundred forty-two".