7140705 has 32 divisors (see below), whose sum is σ = 13426560. Its totient is φ = 3194880.

The previous prime is 7140701. The next prime is 7140733. The reversal of 7140705 is 5070417.

It is not a de Polignac number, because 7140705 - 2² = 7140701 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7140701) 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 31 ways as a sum of consecutive naturals, for example, 481 + ... + 3809.

It is an arithmetic number, because the mean of its divisors is an integer number (419580).

Almost surely, 2^7140705 is an apocalyptic number.

It is an amenable number.

7140705 is a deficient number, since it is larger than the sum of its proper divisors (6285855).

7140705 is a wasteful number, since it uses less digits than its factorization.

7140705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361.

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 7140705 is about 2672.2097597307. The cubic root of 7140705 is about 192.5663345909.

The spelling of 7140705 in words is "seven million, one hundred forty thousand, seven hundred five".