774302945 has 8 divisors (see below), whose sum is σ = 1000637736. Its totient is φ = 571792896.

The previous prime is 774302941. The next prime is 774302983. The reversal of 774302945 is 549203477.

It can be written as a sum of positive squares in 4 ways, for example, as 95335696 + 678967249 = 9764^2 + 26057^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 774302945 - 2² = 774302941 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (774302941) 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, 5956112 + ... + 5956241.

It is an arithmetic number, because the mean of its divisors is an integer number (125079717).

Almost surely, 2^774302945 is an apocalyptic number.

It is an amenable number.

774302945 is a deficient number, since it is larger than the sum of its proper divisors (226334791).

774302945 is a wasteful number, since it uses less digits than its factorization.

774302945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11912371.

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 774302945 is about 27826.2995204177. The cubic root of 774302945 is about 918.2698046273.

The spelling of 774302945 in words is "seven hundred seventy-four million, three hundred two thousand, nine hundred forty-five".