77067125 has 8 divisors (see below), whose sum is σ = 96179928. Its totient is φ = 61653600.

The previous prime is 77067119. The next prime is 77067127. The reversal of 77067125 is 52176077.

It can be written as a sum of positive squares in 4 ways, for example, as 1620529 + 75446596 = 1273^2 + 8686^2 .

It is not a de Polignac number, because 77067125 - 2¹² = 77063029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77067127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308144 + ... + 308393.

It is an arithmetic number, because the mean of its divisors is an integer number (12022491).

Almost surely, 2^77067125 is an apocalyptic number.

It is an amenable number.

77067125 is a deficient number, since it is larger than the sum of its proper divisors (19112803).

77067125 is an equidigital number, since it uses as much as digits as its factorization.

77067125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616552 (or 616542 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 35.

The square root of 77067125 is about 8778.7883560318. The cubic root of 77067125 is about 425.5556745399. Note that the first 3 decimals are identical.

The spelling of 77067125 in words is "seventy-seven million, sixty-seven thousand, one hundred twenty-five".