7061998 has 4 divisors (see below), whose sum is σ = 10593000. Its totient is φ = 3530998.

The previous prime is 7061983. The next prime is 7062007. The reversal of 7061998 is 8991607.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 7061998.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1765498 + ... + 1765501.

It is an arithmetic number, because the mean of its divisors is an integer number (2648250).

Almost surely, 2^7061998 is an apocalyptic number.

7061998 is a deficient number, since it is larger than the sum of its proper divisors (3531002).

7061998 is a wasteful number, since it uses less digits than its factorization.

7061998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3531001.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 7061998 is about 2657.4420031301. The cubic root of 7061998 is about 191.8562110643.

It can be divided in two parts, 706 and 1998, that added together give a square (2704 = 52²).

The spelling of 7061998 in words is "seven million, sixty-one thousand, nine hundred ninety-eight".