7028045 has 8 divisors (see below), whose sum is σ = 8451096. Its totient is φ = 5610816.

The previous prime is 7028033. The next prime is 7028057. The reversal of 7028045 is 5408207.

It is an interprime number because it is at equal distance from previous prime (7028033) and next prime (7028057).

It can be written as a sum of positive squares in 4 ways, for example, as 158404 + 6869641 = 398^2 + 2621^2 .

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 7028045 - 2⁴ = 7028029 is a prime.

It is a Duffinian number.

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, 1919 + ... + 4211.

It is an arithmetic number, because the mean of its divisors is an integer number (1056387).

Almost surely, 2^7028045 is an apocalyptic number.

It is an amenable number.

7028045 is a deficient number, since it is larger than the sum of its proper divisors (1423051).

7028045 is a wasteful number, since it uses less digits than its factorization.

7028045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2911.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 7028045 is about 2651.0460199702. The cubic root of 7028045 is about 191.5482452688.

The spelling of 7028045 in words is "seven million, twenty-eight thousand, forty-five".