34720889 has 4 divisors (see below), whose sum is σ = 39681024. Its totient is φ = 29760756.

The previous prime is 34720879. The next prime is 34720913. The reversal of 34720889 is 98802743.

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 34720889 - 2¹⁶ = 34655353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34720879) 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, 2480057 + ... + 2480070.

It is an arithmetic number, because the mean of its divisors is an integer number (9920256).

Almost surely, 2^34720889 is an apocalyptic number.

It is an amenable number.

34720889 is a deficient number, since it is larger than the sum of its proper divisors (4960135).

34720889 is an equidigital number, since it uses as much as digits as its factorization.

34720889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4960134.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 34720889 is about 5892.4433811450. The cubic root of 34720889 is about 326.2347945331.

The spelling of 34720889 in words is "thirty-four million, seven hundred twenty thousand, eight hundred eighty-nine".