7207998 has 24 divisors (see below), whose sum is σ = 16770312. Its totient is φ = 2059344.

The previous prime is 7207997. The next prime is 7208059. The reversal of 7207998 is 8997027.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7207997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11965 + ... + 12552.

It is an arithmetic number, because the mean of its divisors is an integer number (698763).

Almost surely, 2^7207998 is an apocalyptic number.

7207998 is an abundant number, since it is smaller than the sum of its proper divisors (9562314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7207998 is a wasteful number, since it uses less digits than its factorization.

7207998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24536 (or 24529 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 7207998 is about 2684.7714986568. The cubic root of 7207998 is about 193.1693503154.

The spelling of 7207998 in words is "seven million, two hundred seven thousand, nine hundred ninety-eight".