77030206 has 16 divisors (see below), whose sum is σ = 130397040. Its totient is φ = 33806080.

The previous prime is 77030171. The next prime is 77030207. The reversal of 77030206 is 60203077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77030207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59731 + ... + 61006.

It is an arithmetic number, because the mean of its divisors is an integer number (8149815).

Almost surely, 2^77030206 is an apocalyptic number.

77030206 is a deficient number, since it is larger than the sum of its proper divisors (53366834).

77030206 is a wasteful number, since it uses less digits than its factorization.

77030206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120779.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 77030206 is about 8776.6853652162. The cubic root of 77030206 is about 425.4877095487.

It can be divided in two parts, 770 and 30206, that added together give a square (30976 = 176²).

The spelling of 77030206 in words is "seventy-seven million, thirty thousand, two hundred six".