3073405 has 12 divisors (see below), whose sum is σ = 3798900. Its totient is φ = 2386944.

The previous prime is 3073393. The next prime is 3073451. The reversal of 3073405 is 5043703.

It can be written as a sum of positive squares in 6 ways, for example, as 558009 + 2515396 = 747^2 + 1586^2 .

It is not a de Polignac number, because 3073405 - 2²¹ = 976253 is a prime.

It is an Ulam number.

3073405 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6621 + ... + 7069.

It is an arithmetic number, because the mean of its divisors is an integer number (316575).

Almost surely, 2^3073405 is an apocalyptic number.

It is an amenable number.

3073405 is a deficient number, since it is larger than the sum of its proper divisors (725495).

3073405 is an equidigital number, since it uses as much as digits as its factorization.

3073405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 3073405 is about 1753.1129455914. The cubic root of 3073405 is about 145.3918059796.

The spelling of 3073405 in words is "three million, seventy-three thousand, four hundred five".