7000045 has 8 divisors (see below), whose sum is σ = 9046296. Its totient is φ = 5169216.

The previous prime is 7000033. The next prime is 7000057. The reversal of 7000045 is 5400007.

It is an interprime number because it is at equal distance from previous prime (7000033) and next prime (7000057).

It can be written as a sum of positive squares in 4 ways, for example, as 784996 + 6215049 = 886^2 + 2493^2 .

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

It is not a de Polignac number, because 7000045 - 2⁹ = 6999533 is a prime.

It is a Duffinian number.

7000045 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6999992 and 7000028.

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, 53782 + ... + 53911.

It is an arithmetic number, because the mean of its divisors is an integer number (1130787).

Almost surely, 2^7000045 is an apocalyptic number.

It is an amenable number.

7000045 is a deficient number, since it is larger than the sum of its proper divisors (2046251).

7000045 is a wasteful number, since it uses less digits than its factorization.

7000045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107711.

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 7000045 is about 2645.7598152516. The cubic root of 7000045 is about 191.2935281902.

The spelling of 7000045 in words is "seven million, forty-five", and thus it is an aban number and an uban number.