7020775 has 12 divisors (see below), whose sum is σ = 8827312. Its totient is φ = 5538240.

The previous prime is 7020757. The next prime is 7020781. The reversal of 7020775 is 5770207.

It is a happy number.

It is not a de Polignac number, because 7020775 - 2⁵ = 7020743 is a prime.

It is an Ulam number.

It is a Duffinian number.

7020775 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99 + ... + 3748.

Almost surely, 2^7020775 is an apocalyptic number.

7020775 is a deficient number, since it is larger than the sum of its proper divisors (1806537).

7020775 is a wasteful number, since it uses less digits than its factorization.

7020775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3930 (or 3925 counting only the distinct ones).

The product of its (nonzero) digits is 3430, while the sum is 28.

The square root of 7020775 is about 2649.6745083123. The cubic root of 7020775 is about 191.4821749185.

The spelling of 7020775 in words is "seven million, twenty thousand, seven hundred seventy-five".