772706122 has 4 divisors (see below), whose sum is σ = 1159059186. Its totient is φ = 386353060.

The previous prime is 772706119. The next prime is 772706149. The reversal of 772706122 is 221607277.

772706122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221607277 = 23 ⋅9635099.

It can be written as a sum of positive squares in only one way, i.e., 761152921 + 11553201 = 27589^2 + 3399^2 .

It is a super-6 number, since 6×772706122⁶ (a number of 55 digits) contains 666666 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193176529 + ... + 193176532.

Almost surely, 2^772706122 is an apocalyptic number.

772706122 is a deficient number, since it is larger than the sum of its proper divisors (386353064).

772706122 is a wasteful number, since it uses less digits than its factorization.

772706122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386353063.

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 772706122 is about 27797.5920180148. The cubic root of 772706122 is about 917.6381296093.

The spelling of 772706122 in words is "seven hundred seventy-two million, seven hundred six thousand, one hundred twenty-two".