7920465 has 32 divisors (see below), whose sum is σ = 14589696. Its totient is φ = 3594240.

The previous prime is 7920463. The next prime is 7920467. The reversal of 7920465 is 5640297.

It is an interprime number because it is at equal distance from previous prime (7920463) and next prime (7920467).

It is not a de Polignac number, because 7920465 - 2¹ = 7920463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7920463) 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 31 ways as a sum of consecutive naturals, for example, 25149 + ... + 25461.

It is an arithmetic number, because the mean of its divisors is an integer number (455928).

Almost surely, 2^7920465 is an apocalyptic number.

It is an amenable number.

7920465 is a deficient number, since it is larger than the sum of its proper divisors (6669231).

7920465 is a wasteful number, since it uses less digits than its factorization.

7920465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 7920465 is about 2814.3320699591. The cubic root of 7920465 is about 199.3349996567.

It can be divided in two parts, 7920 and 465, that added together give a triangular number (8385 = T₁₂₉).

The spelling of 7920465 in words is "seven million, nine hundred twenty thousand, four hundred sixty-five".