77004673 has 2 divisors, whose sum is σ = 77004674. Its totient is φ = 77004672.

The previous prime is 77004671. The next prime is 77004677. The reversal of 77004673 is 37640077.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42289009 + 34715664 = 6503^2 + 5892^2 .

It is an emirp because it is prime and its reverse (37640077) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77004673 - 2¹ = 77004671 is a prime.

Together with 77004671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (77004671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38502336 + 38502337.

It is an arithmetic number, because the mean of its divisors is an integer number (38502337).

Almost surely, 2^77004673 is an apocalyptic number.

It is an amenable number.

77004673 is a deficient number, since it is larger than the sum of its proper divisors (1).

77004673 is an equidigital number, since it uses as much as digits as its factorization.

77004673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24696, while the sum is 34.

The square root of 77004673 is about 8775.2306522393. The cubic root of 77004673 is about 425.4406925891.

It can be divided in two parts, 77004 and 673, that added together give a palindrome (77677).

The spelling of 77004673 in words is "seventy-seven million, four thousand, six hundred seventy-three".