3074478 has 32 divisors (see below), whose sum is σ = 6894720. Its totient is φ = 905760.

The previous prime is 3074473. The next prime is 3074497. The reversal of 3074478 is 8744703.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3074471) 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, 1813 + ... + 3071.

It is an arithmetic number, because the mean of its divisors is an integer number (215460).

Almost surely, 2^3074478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3074478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3447360).

3074478 is an abundant number, since it is smaller than the sum of its proper divisors (3820242).

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

3074478 is a wasteful number, since it uses less digits than its factorization.

3074478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 3074478 is about 1753.4189459453. The cubic root of 3074478 is about 145.4087239426.

The spelling of 3074478 in words is "three million, seventy-four thousand, four hundred seventy-eight".