7097816 has 16 divisors (see below), whose sum is σ = 14518440. Its totient is φ = 3226240.

The previous prime is 7097809. The next prime is 7097819. The reversal of 7097816 is 6187907.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 7097816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7097819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40241 + ... + 40416.

Almost surely, 2^7097816 is an apocalyptic number.

It is an amenable number.

7097816 is an abundant number, since it is smaller than the sum of its proper divisors (7420624).

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

7097816 is a wasteful number, since it uses less digits than its factorization.

7097816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80674 (or 80670 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 7097816 is about 2664.1726670770. The cubic root of 7097816 is about 192.1800250161.

Subtracting from 7097816 its reverse (6187907), we obtain a palindrome (909909).

The spelling of 7097816 in words is "seven million, ninety-seven thousand, eight hundred sixteen".