77034042 has 12 divisors (see below), whose sum is σ = 166907130. Its totient is φ = 25678008.

The previous prime is 77034031. The next prime is 77034049. The reversal of 77034042 is 24043077.

It can be written as a sum of positive squares in only one way, i.e., 47320641 + 29713401 = 6879^2 + 5451^2 .

It is a junction number, because it is equal to n+sod(n) for n = 77033997 and 77034015.

It is not an unprimeable number, because it can be changed into a prime (77034049) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2139817 + ... + 2139852.

Almost surely, 2^77034042 is an apocalyptic number.

77034042 is an abundant number, since it is smaller than the sum of its proper divisors (89873088).

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

77034042 is a wasteful number, since it uses less digits than its factorization.

77034042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4279677 (or 4279674 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 77034042 is about 8776.9038960216. The cubic root of 77034042 is about 425.4947723355.

The spelling of 77034042 in words is "seventy-seven million, thirty-four thousand, forty-two".