7491065 has 4 divisors (see below), whose sum is σ = 8989284. Its totient is φ = 5992848.

The previous prime is 7491061. The next prime is 7491089. The reversal of 7491065 is 5601947.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1692601 + 5798464 = 1301^2 + 2408^2 .

It is a cyclic number.

It is not a de Polignac number, because 7491065 - 2² = 7491061 is a prime.

It is a super-2 number, since 2×7491065² = 112232109668450, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7491061) 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, 749102 + ... + 749111.

It is an arithmetic number, because the mean of its divisors is an integer number (2247321).

Almost surely, 2^7491065 is an apocalyptic number.

It is an amenable number.

7491065 is a deficient number, since it is larger than the sum of its proper divisors (1498219).

7491065 is a wasteful number, since it uses less digits than its factorization.

7491065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498218.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 7491065 is about 2736.9810010301. The cubic root of 7491065 is about 195.6656192979.

The spelling of 7491065 in words is "seven million, four hundred ninety-one thousand, sixty-five".