34780669 has 32 divisors (see below), whose sum is σ = 46448640. Its totient is φ = 25238400.

The previous prime is 34780651. The next prime is 34780673. The reversal of 34780669 is 96608743.

It is a happy number.

It is not a de Polignac number, because 34780669 - 2⁵ = 34780637 is a prime.

It is a super-2 number, since 2×34780669² = 2419389872175122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34780639) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72372 + ... + 72850.

It is an arithmetic number, because the mean of its divisors is an integer number (1451520).

Almost surely, 2^34780669 is an apocalyptic number.

It is an amenable number.

34780669 is a deficient number, since it is larger than the sum of its proper divisors (11667971).

34780669 is a wasteful number, since it uses less digits than its factorization.

34780669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 34780669 is about 5897.5137982034. The cubic root of 34780669 is about 326.4219166057.

The spelling of 34780669 in words is "thirty-four million, seven hundred eighty thousand, six hundred sixty-nine".