7873045 has 8 divisors (see below), whose sum is σ = 9703224. Its totient is φ = 6128064.

The previous prime is 7873031. The next prime is 7873067. The reversal of 7873045 is 5403787.

It can be written as a sum of positive squares in 4 ways, for example, as 4743684 + 3129361 = 2178^2 + 1769^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 7873045 - 2²¹ = 5775893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7873045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21094 + ... + 21463.

It is an arithmetic number, because the mean of its divisors is an integer number (1212903).

Almost surely, 2^7873045 is an apocalyptic number.

It is an amenable number.

7873045 is a deficient number, since it is larger than the sum of its proper divisors (1830179).

7873045 is a wasteful number, since it uses less digits than its factorization.

7873045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42599.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 7873045 is about 2805.8946879739. The cubic root of 7873045 is about 198.9363954199.

The spelling of 7873045 in words is "seven million, eight hundred seventy-three thousand, forty-five".