774401445 has 16 divisors (see below), whose sum is σ = 1376713920. Its totient is φ = 413014032.

The previous prime is 774401431. The next prime is 774401501. The reversal of 774401445 is 544104477.

It is a happy number.

774401445 is a `hidden beast` number, since 77 + 440 + 144 + 5 = 666.

774401445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 774401445 - 2¹⁰ = 774400421 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2868019 + ... + 2868288.

It is an arithmetic number, because the mean of its divisors is an integer number (86044620).

Almost surely, 2^774401445 is an apocalyptic number.

It is an amenable number.

774401445 is a deficient number, since it is larger than the sum of its proper divisors (602312475).

774401445 is a wasteful number, since it uses less digits than its factorization.

774401445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5736321 (or 5736315 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 36.

The square root of 774401445 is about 27828.0693724879. The cubic root of 774401445 is about 918.3087410415.

The spelling of 774401445 in words is "seven hundred seventy-four million, four hundred one thousand, four hundred forty-five".