3072505 has 8 divisors (see below), whose sum is σ = 3722112. Its totient is φ = 2434608.

The previous prime is 3072481. The next prime is 3072523. The reversal of 3072505 is 5052703.

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 3072505 - 2⁵ = 3072473 is a prime.

It is an alternating number because its digits alternate between odd and even.

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, 2337 + ... + 3406.

It is an arithmetic number, because the mean of its divisors is an integer number (465264).

Almost surely, 2^3072505 is an apocalyptic number.

It is an amenable number.

3072505 is a deficient number, since it is larger than the sum of its proper divisors (649607).

3072505 is a wasteful number, since it uses less digits than its factorization.

3072505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5855.

The product of its (nonzero) digits is 1050, while the sum is 22.

The square root of 3072505 is about 1752.8562405400. The cubic root of 3072505 is about 145.3776126663.

The spelling of 3072505 in words is "three million, seventy-two thousand, five hundred five".