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774072997 is a prime number
BaseRepresentation
bin101110001000110…
…110101010100101
31222221112222112021
4232020312222211
53041130313442
6204451023141
725116340405
oct5610665245
91887488467
10774072997
11367a42555
1219729aab1
13c44a5a79
1474b3a805
1547e54e67
hex2e236aa5

774072997 has 2 divisors, whose sum is σ = 774072998. Its totient is φ = 774072996.

The previous prime is 774072953. The next prime is 774073031. The reversal of 774072997 is 799270477.

774072997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 617472801 + 156600196 = 24849^2 + 12514^2 .

It is an emirp because it is prime and its reverse (799270477) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 774072997 - 27 = 774072869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (774075997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387036498 + 387036499.

It is an arithmetic number, because the mean of its divisors is an integer number (387036499).

Almost surely, 2774072997 is an apocalyptic number.

It is an amenable number.

774072997 is a deficient number, since it is larger than the sum of its proper divisors (1).

774072997 is an equidigital number, since it uses as much as digits as its factorization.

774072997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1555848, while the sum is 52.

The square root of 774072997 is about 27822.1673670474. The cubic root of 774072997 is about 918.1788948129.

The spelling of 774072997 in words is "seven hundred seventy-four million, seventy-two thousand, nine hundred ninety-seven".