7279465 has 4 divisors (see below), whose sum is σ = 8735364. Its totient is φ = 5823568.

The previous prime is 7279463. The next prime is 7279471. The reversal of 7279465 is 5649727.

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 913936 + 6365529 = 956^2 + 2523^2 .

It is a cyclic number.

It is not a de Polignac number, because 7279465 - 2¹ = 7279463 is a prime.

It is a super-2 number, since 2×7279465² = 105981221372450, 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 not an unprimeable number, because it can be changed into a prime (7279463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 727942 + ... + 727951.

It is an arithmetic number, because the mean of its divisors is an integer number (2183841).

Almost surely, 2^7279465 is an apocalyptic number.

It is an amenable number.

7279465 is a deficient number, since it is larger than the sum of its proper divisors (1455899).

7279465 is a wasteful number, since it uses less digits than its factorization.

7279465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455898.

The product of its digits is 105840, while the sum is 40.

The square root of 7279465 is about 2698.0483687288. The cubic root of 7279465 is about 193.8056739070.

It can be divided in two parts, 7279 and 465, that added together give a square (7744 = 88²).

The spelling of 7279465 in words is "seven million, two hundred seventy-nine thousand, four hundred sixty-five".