3073945 has 16 divisors (see below), whose sum is σ = 4278528. Its totient is φ = 2076480.

The previous prime is 3073943. The next prime is 3073951. The reversal of 3073945 is 5493703.

It is not a de Polignac number, because 3073945 - 2¹ = 3073943 is a prime.

It is a Duffinian number.

3073945 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3073943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1867 + ... + 3103.

It is an arithmetic number, because the mean of its divisors is an integer number (267408).

Almost surely, 2^3073945 is an apocalyptic number.

3073945 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3073945 is a deficient number, since it is larger than the sum of its proper divisors (1204583).

3073945 is a wasteful number, since it uses less digits than its factorization.

3073945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 3073945 is about 1753.2669505811. The cubic root of 3073945 is about 145.4003206376.

The spelling of 3073945 in words is "three million, seventy-three thousand, nine hundred forty-five".