34678769 has 4 divisors (see below), whose sum is σ = 35485296. Its totient is φ = 33872244.

The previous prime is 34678757. The next prime is 34678771. The reversal of 34678769 is 96787643.

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 34678769 - 2⁸ = 34678513 is a prime.

It is a super-2 number, since 2×34678769² = 2405234038710722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34678729) 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, 403199 + ... + 403284.

It is an arithmetic number, because the mean of its divisors is an integer number (8871324).

Almost surely, 2^34678769 is an apocalyptic number.

It is an amenable number.

34678769 is a deficient number, since it is larger than the sum of its proper divisors (806527).

34678769 is an equidigital number, since it uses as much as digits as its factorization.

34678769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806526.

The product of its digits is 1524096, while the sum is 50.

The square root of 34678769 is about 5888.8682274271. The cubic root of 34678769 is about 326.1028223966.

The spelling of 34678769 in words is "thirty-four million, six hundred seventy-eight thousand, seven hundred sixty-nine".