34780061 has 4 divisors (see below), whose sum is σ = 34794624. Its totient is φ = 34765500.

The previous prime is 34780049. The next prime is 34780069. The reversal of 34780061 is 16008743.

34780061 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 34780061 - 2²² = 30585757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34780069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2765 + ... + 8786.

It is an arithmetic number, because the mean of its divisors is an integer number (8698656).

Almost surely, 2^34780061 is an apocalyptic number.

It is an amenable number.

34780061 is a deficient number, since it is larger than the sum of its proper divisors (14563).

34780061 is a wasteful number, since it uses less digits than its factorization.

34780061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14562.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 34780061 is about 5897.4622508330. The cubic root of 34780061 is about 326.4200145369.

It can be divided in two parts, 347 and 80061, that added together give a palindrome (80408).

The spelling of 34780061 in words is "thirty-four million, seven hundred eighty thousand, sixty-one".