2720007 has 8 divisors (see below), whose sum is σ = 4029680. Its totient is φ = 1813320.

The previous prime is 2719991. The next prime is 2720009. The reversal of 2720007 is 7000272.

It is not a de Polignac number, because 2720007 - 2⁴ = 2719991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2720009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50344 + ... + 50397.

It is an arithmetic number, because the mean of its divisors is an integer number (503710).

2^2720007 is an apocalyptic number.

2720007 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2720007 is a deficient number, since it is larger than the sum of its proper divisors (1309673).

2720007 is a wasteful number, since it uses less digits than its factorization.

2720007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100750 (or 100744 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 18.

The square root of 2720007 is about 1649.2443724324. The cubic root of 2720007 is about 139.5907606849.

Adding to 2720007 its reverse (7000272), we get a palindrome (9720279).

The spelling of 2720007 in words is "two million, seven hundred twenty thousand, seven".