77105234 has 8 divisors (see below), whose sum is σ = 122461308. Its totient is φ = 36284800.

The previous prime is 77105227. The next prime is 77105243. The reversal of 77105234 is 43250177.

It can be written as a sum of positive squares in 2 ways, for example, as 72199009 + 4906225 = 8497^2 + 2215^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×77105234² = 11890434220389512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 77105197 and 77105206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1133867 + ... + 1133934.

Almost surely, 2^77105234 is an apocalyptic number.

77105234 is a deficient number, since it is larger than the sum of its proper divisors (45356074).

77105234 is a wasteful number, since it uses less digits than its factorization.

77105234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2267820.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 77105234 is about 8780.9586037061. The cubic root of 77105234 is about 425.6258074654.

It can be divided in two parts, 77 and 105234, that multiplied together give a palindrome (8103018).

The spelling of 77105234 in words is "seventy-seven million, one hundred five thousand, two hundred thirty-four".