2072978 has 16 divisors (see below), whose sum is σ = 3257280. Its totient is φ = 988176.

The previous prime is 2072977. The next prime is 2073011. The reversal of 2072978 is 8792702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2072977) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 5801 + ... + 6147.

It is an arithmetic number, because the mean of its divisors is an integer number (203580).

2^2072978 is an apocalyptic number.

2072978 is a deficient number, since it is larger than the sum of its proper divisors (1184302).

2072978 is a wasteful number, since it uses less digits than its factorization.

2072978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 2072978 is about 1439.7840115795. The cubic root of 2072978 is about 127.5062767639.

The spelling of 2072978 in words is "two million, seventy-two thousand, nine hundred seventy-eight".