3074545 has 4 divisors (see below), whose sum is σ = 3689460. Its totient is φ = 2459632.

The previous prime is 3074537. The next prime is 3074557. The reversal of 3074545 is 5454703.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5454703 = 23 ⋅237161.

It can be written as a sum of positive squares in 2 ways, for example, as 1227664 + 1846881 = 1108^2 + 1359^2 .

It is a cyclic number.

It is not a de Polignac number, because 3074545 - 2³ = 3074537 is a prime.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307450 + ... + 307459.

It is an arithmetic number, because the mean of its divisors is an integer number (922365).

Almost surely, 2^3074545 is an apocalyptic number.

It is an amenable number.

3074545 is a deficient number, since it is larger than the sum of its proper divisors (614915).

3074545 is an equidigital number, since it uses as much as digits as its factorization.

3074545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614914.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 3074545 is about 1753.4380513722. The cubic root of 3074545 is about 145.4097801993.

The spelling of 3074545 in words is "three million, seventy-four thousand, five hundred forty-five".