77120034 has 8 divisors (see below), whose sum is σ = 154240080. Its totient is φ = 25706676.

The previous prime is 77120009. The next prime is 77120039. The reversal of 77120034 is 43002177.

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

77120034 is an admirable number.

It is a super-2 number, since 2×77120034² = 11894999288322312, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 77119986 and 77120013.

It is not an unprimeable number, because it can be changed into a prime (77120039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6426664 + ... + 6426675.

It is an arithmetic number, because the mean of its divisors is an integer number (19280010).

Almost surely, 2^77120034 is an apocalyptic number.

77120034 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

77120034 is a wasteful number, since it uses less digits than its factorization.

77120034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12853344.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 77120034 is about 8781.8012958618. The cubic root of 77120034 is about 425.6530380377.

The spelling of 77120034 in words is "seventy-seven million, one hundred twenty thousand, thirty-four".