7140730 has 8 divisors (see below), whose sum is σ = 12853332. Its totient is φ = 2856288.

The previous prime is 7140701. The next prime is 7140733. The reversal of 7140730 is 370417.

It can be written as a sum of positive squares in 2 ways, for example, as 5764801 + 1375929 = 2401^2 + 1173^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (7140733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357027 + ... + 357046.

Almost surely, 2^7140730 is an apocalyptic number.

7140730 is a deficient number, since it is larger than the sum of its proper divisors (5712602).

7140730 is a wasteful number, since it uses less digits than its factorization.

7140730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714080.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 7140730 is about 2672.2144375031. The cubic root of 7140730 is about 192.5665593190.

The spelling of 7140730 in words is "seven million, one hundred forty thousand, seven hundred thirty".