2945078 has 4 divisors (see below), whose sum is σ = 4417620. Its totient is φ = 1472538.

The previous prime is 2945069. The next prime is 2945101. The reversal of 2945078 is 8705492.

It is a happy number.

2945078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 736268 + ... + 736271.

It is an arithmetic number, because the mean of its divisors is an integer number (1104405).

2^2945078 is an apocalyptic number.

2945078 is a deficient number, since it is larger than the sum of its proper divisors (1472542).

2945078 is a wasteful number, since it uses less digits than its factorization.

2945078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472541.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 2945078 is about 1716.1229559679. The cubic root of 2945078 is about 143.3394060284.

The spelling of 2945078 in words is "two million, nine hundred forty-five thousand, seventy-eight".