7100990 has 16 divisors (see below), whose sum is σ = 13765248. Its totient is φ = 2621856.

The previous prime is 7100987. The next prime is 7100999. The reversal of 7100990 is 990017.

It is a Harshad number since it is a multiple of its sum of digits (26).

7100990 is a modest number, since divided by 990 gives 710 as remainder.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7100999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27182 + ... + 27441.

It is an arithmetic number, because the mean of its divisors is an integer number (860328).

Almost surely, 2^7100990 is an apocalyptic number.

7100990 is a deficient number, since it is larger than the sum of its proper divisors (6664258).

7100990 is a wasteful number, since it uses less digits than its factorization.

7100990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54643.

The product of its (nonzero) digits is 567, while the sum is 26.

The square root of 7100990 is about 2664.7682826092. The cubic root of 7100990 is about 192.2086670894.

The spelling of 7100990 in words is "seven million, one hundred thousand, nine hundred ninety".