2734505 has 8 divisors (see below), whose sum is σ = 3291072. Its totient is φ = 2181168.

The previous prime is 2734481. The next prime is 2734513. The reversal of 2734505 is 5054372.

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 2734505 - 2⁶ = 2734441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1874 + ... + 2996.

It is an arithmetic number, because the mean of its divisors is an integer number (411384).

2^2734505 is an apocalyptic number.

It is an amenable number.

2734505 is a deficient number, since it is larger than the sum of its proper divisors (556567).

2734505 is a wasteful number, since it uses less digits than its factorization.

2734505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 2734505 is about 1653.6338772534. The cubic root of 2734505 is about 139.8383337946.

Adding to 2734505 its reverse (5054372), we get a palindrome (7788877).

The spelling of 2734505 in words is "two million, seven hundred thirty-four thousand, five hundred five".