7290761 has 4 divisors (see below), whose sum is σ = 7297152. Its totient is φ = 7284372.

The previous prime is 7290757. The next prime is 7290769. The reversal of 7290761 is 1670927.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1670927 = 23 ⋅72649.

It is a cyclic number.

It is not a de Polignac number, because 7290761 - 2² = 7290757 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7290769) 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, 965 + ... + 3938.

It is an arithmetic number, because the mean of its divisors is an integer number (1824288).

Almost surely, 2^7290761 is an apocalyptic number.

It is an amenable number.

7290761 is a deficient number, since it is larger than the sum of its proper divisors (6391).

7290761 is a wasteful number, since it uses less digits than its factorization.

7290761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6390.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 7290761 is about 2700.1409222483. The cubic root of 7290761 is about 193.9058688837.

The spelling of 7290761 in words is "seven million, two hundred ninety thousand, seven hundred sixty-one".