2078672 has 10 divisors (see below), whose sum is σ = 4027458. Its totient is φ = 1039328.

The previous prime is 2078651. The next prime is 2078677. The reversal of 2078672 is 2768702.

It can be written as a sum of positive squares in only one way, i.e., 1915456 + 163216 = 1384^2 + 404^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2078677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64943 + ... + 64974.

2^2078672 is an apocalyptic number.

It is an amenable number.

2078672 is a deficient number, since it is larger than the sum of its proper divisors (1948786).

2078672 is a wasteful number, since it uses less digits than its factorization.

2078672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129925 (or 129919 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 2078672 is about 1441.7600355122. The cubic root of 2078672 is about 127.6229136368.

The spelling of 2078672 in words is "two million, seventy-eight thousand, six hundred seventy-two".