7873506 has 24 divisors (see below), whose sum is σ = 17220060. Its totient is φ = 2599776.

The previous prime is 7873483. The next prime is 7873507. The reversal of 7873506 is 6053787.

It can be written as a sum of positive squares in 2 ways, for example, as 7241481 + 632025 = 2691^2 + 795^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7873507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45 + ... + 3968.

Almost surely, 2^7873506 is an apocalyptic number.

7873506 is an abundant number, since it is smaller than the sum of its proper divisors (9346554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7873506 is a wasteful number, since it uses less digits than its factorization.

7873506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4130 (or 4127 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 7873506 is about 2805.9768352572. The cubic root of 7873506 is about 198.9402781992.

The spelling of 7873506 in words is "seven million, eight hundred seventy-three thousand, five hundred six".