3074520 has 32 divisors (see below), whose sum is σ = 9223920. Its totient is φ = 819840.

The previous prime is 3074509. The next prime is 3074521. The reversal of 3074520 is 254703.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3074521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12691 + ... + 12930.

Almost surely, 2^3074520 is an apocalyptic number.

3074520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3074520 is an abundant number, since it is smaller than the sum of its proper divisors (6149400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3074520 is a wasteful number, since it uses less digits than its factorization.

3074520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25635 (or 25631 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 3074520 is about 1753.4309225059. The cubic root of 3074520 is about 145.4093860755.

The spelling of 3074520 in words is "three million, seventy-four thousand, five hundred twenty".