2792720 has 40 divisors (see below), whose sum is σ = 7422144. Its totient is φ = 957312.

The previous prime is 2792717. The next prime is 2792737. The reversal of 2792720 is 272972.

It is a tau number, because it is divible by the number of its divisors (40).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1934 + ... + 3053.

2^2792720 is an apocalyptic number.

2792720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2792720 is an abundant number, since it is smaller than the sum of its proper divisors (4629424).

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

2792720 is a wasteful number, since it uses less digits than its factorization.

2792720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5007 (or 5001 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 2792720 is about 1671.1433212026. The cubic root of 2792720 is about 140.8237154440.

The spelling of 2792720 in words is "two million, seven hundred ninety-two thousand, seven hundred twenty".