7140461 has 4 divisors (see below), whose sum is σ = 7214172. Its totient is φ = 7066752.

The previous prime is 7140457. The next prime is 7140473. The reversal of 7140461 is 1640417.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1640417 = 107 ⋅15331.

It can be written as a sum of positive squares in 2 ways, for example, as 3553225 + 3587236 = 1885^2 + 1894^2 .

It is a cyclic number.

It is not a de Polignac number, because 7140461 - 2² = 7140457 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 (7140401) 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, 36710 + ... + 36903.

It is an arithmetic number, because the mean of its divisors is an integer number (1803543).

Almost surely, 2^7140461 is an apocalyptic number.

It is an amenable number.

7140461 is a deficient number, since it is larger than the sum of its proper divisors (73711).

7140461 is an equidigital number, since it uses as much as digits as its factorization.

7140461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73710.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 7140461 is about 2672.1641042421. The cubic root of 7140461 is about 192.5641412164.

Adding to 7140461 its reverse (1640417), we get a palindrome (8780878).

The spelling of 7140461 in words is "seven million, one hundred forty thousand, four hundred sixty-one".