34420505 has 8 divisors (see below), whose sum is σ = 47205312. Its totient is φ = 23602608.

The previous prime is 34420501. The next prime is 34420543. The reversal of 34420505 is 50502443.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34420505 - 2² = 34420501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34420501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491687 + ... + 491756.

It is an arithmetic number, because the mean of its divisors is an integer number (5900664).

Almost surely, 2^34420505 is an apocalyptic number.

34420505 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

34420505 is a deficient number, since it is larger than the sum of its proper divisors (12784807).

34420505 is an equidigital number, since it uses as much as digits as its factorization.

34420505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983455.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 34420505 is about 5866.8990957745. The cubic root of 34420505 is about 325.2912733920.

Adding to 34420505 its reverse (50502443), we get a palindrome (84922948).

The spelling of 34420505 in words is "thirty-four million, four hundred twenty thousand, five hundred five".