77004073 has 2 divisors, whose sum is σ = 77004074. Its totient is φ = 77004072.

The previous prime is 77004049. The next prime is 77004089. The reversal of 77004073 is 37040077.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57714409 + 19289664 = 7597^2 + 4392^2 .

It is a cyclic number.

It is not a de Polignac number, because 77004073 - 2⁵ = 77004041 is a prime.

It is not a weakly prime, because it can be changed into another prime (77004173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38502036 + 38502037.

It is an arithmetic number, because the mean of its divisors is an integer number (38502037).

Almost surely, 2^77004073 is an apocalyptic number.

It is an amenable number.

77004073 is a deficient number, since it is larger than the sum of its proper divisors (1).

77004073 is an equidigital number, since it uses as much as digits as its factorization.

77004073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4116, while the sum is 28.

The square root of 77004073 is about 8775.1964650371. The cubic root of 77004073 is about 425.4395876125.

The spelling of 77004073 in words is "seventy-seven million, four thousand, seventy-three".