7973506 has 8 divisors (see below), whose sum is σ = 12066444. Its totient is φ = 3951360.

The previous prime is 7973489. The next prime is 7973509. The reversal of 7973506 is 6053797.

It can be written as a sum of positive squares in 2 ways, for example, as 6175225 + 1798281 = 2485^2 + 1341^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (7973509) 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 3 ways as a sum of consecutive naturals, for example, 17415 + ... + 17866.

Almost surely, 2^7973506 is an apocalyptic number.

7973506 is a deficient number, since it is larger than the sum of its proper divisors (4092938).

7973506 is a wasteful number, since it uses less digits than its factorization.

7973506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35396.

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 7973506 is about 2823.7397188835. The cubic root of 7973506 is about 199.7789724909.

The spelling of 7973506 in words is "seven million, nine hundred seventy-three thousand, five hundred six".