7481965 has 4 divisors (see below), whose sum is σ = 8978364. Its totient is φ = 5985568.

The previous prime is 7481939. The next prime is 7481983. The reversal of 7481965 is 5691847.

7481965 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5691847 = 7 ⋅813121.

It can be written as a sum of positive squares in 2 ways, for example, as 1121481 + 6360484 = 1059^2 + 2522^2 .

It is a cyclic number.

It is not a de Polignac number, because 7481965 - 2⁵ = 7481933 is a prime.

It is a super-2 number, since 2×7481965² = 111959600522450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 748192 + ... + 748201.

It is an arithmetic number, because the mean of its divisors is an integer number (2244591).

Almost surely, 2^7481965 is an apocalyptic number.

It is an amenable number.

7481965 is a deficient number, since it is larger than the sum of its proper divisors (1496399).

7481965 is a wasteful number, since it uses less digits than its factorization.

7481965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496398.

The product of its digits is 60480, while the sum is 40.

The square root of 7481965 is about 2735.3180802239. The cubic root of 7481965 is about 195.5863569314.

The spelling of 7481965 in words is "seven million, four hundred eighty-one thousand, nine hundred sixty-five".