2730807 has 8 divisors (see below), whose sum is σ = 4045680. Its totient is φ = 1820520.

The previous prime is 2730803. The next prime is 2730811. The reversal of 2730807 is 7080372.

It is an interprime number because it is at equal distance from previous prime (2730803) and next prime (2730811).

It is not a de Polignac number, because 2730807 - 2² = 2730803 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 101141 = 2730807 / (2 + 7 + 3 + 0 + 8 + 0 + 7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2730803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50544 + ... + 50597.

It is an arithmetic number, because the mean of its divisors is an integer number (505710).

2^2730807 is an apocalyptic number.

2730807 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2730807 is a deficient number, since it is larger than the sum of its proper divisors (1314873).

2730807 is a wasteful number, since it uses less digits than its factorization.

2730807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101150 (or 101144 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 2730807 is about 1652.5153554506. The cubic root of 2730807 is about 139.7752687007.

The spelling of 2730807 in words is "two million, seven hundred thirty thousand, eight hundred seven".