77027070 has 16 divisors (see below), whose sum is σ = 184865040. Its totient is φ = 20540544.

The previous prime is 77027059. The next prime is 77027087. The reversal of 77027070 is 7072077.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2567569 = 77027070 / (7 + 7 + 0 + 2 + 7 + 0 + 7 + 0).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 1283755 + ... + 1283814.

It is an arithmetic number, because the mean of its divisors is an integer number (11554065).

Almost surely, 2^77027070 is an apocalyptic number.

77027070 is an abundant number, since it is smaller than the sum of its proper divisors (107837970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77027070 is a wasteful number, since it uses less digits than its factorization.

77027070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567579.

The product of its (nonzero) digits is 4802, while the sum is 30.

The square root of 77027070 is about 8776.5067082524. The cubic root of 77027070 is about 425.4819354175.

The spelling of 77027070 in words is "seventy-seven million, twenty-seven thousand, seventy".