7290005 has 16 divisors (see below), whose sum is σ = 9180864. Its totient is φ = 5550720.

The previous prime is 7290001. The next prime is 7290037. The reversal of 7290005 is 5000927.

It is not a de Polignac number, because 7290005 - 2² = 7290001 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 (7290001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8402 + ... + 9228.

It is an arithmetic number, because the mean of its divisors is an integer number (573804).

Almost surely, 2^7290005 is an apocalyptic number.

It is an amenable number.

7290005 is a deficient number, since it is larger than the sum of its proper divisors (1890859).

7290005 is a wasteful number, since it uses less digits than its factorization.

7290005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 7290005 is about 2700.0009259258. Note that the first 3 decimals coincide. The cubic root of 7290005 is about 193.8991664328.

The spelling of 7290005 in words is "seven million, two hundred ninety thousand, five".