7812065 has 8 divisors (see below), whose sum is σ = 9782208. Its totient is φ = 5977840.

The previous prime is 7812037. The next prime is 7812067. The reversal of 7812065 is 5602187.

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

It is not a de Polignac number, because 7812065 - 2⁶ = 7812001 is a prime.

It is a super-2 number, since 2×7812065² = 122056719128450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7812067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33851 + ... + 34080.

It is an arithmetic number, because the mean of its divisors is an integer number (1222776).

Almost surely, 2^7812065 is an apocalyptic number.

It is an amenable number.

7812065 is a deficient number, since it is larger than the sum of its proper divisors (1970143).

7812065 is a wasteful number, since it uses less digits than its factorization.

7812065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67959.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 7812065 is about 2795.0071556259. The cubic root of 7812065 is about 198.4214486572.

The spelling of 7812065 in words is "seven million, eight hundred twelve thousand, sixty-five".