7157996 has 6 divisors (see below), whose sum is σ = 12526500. Its totient is φ = 3578996.

The previous prime is 7157987. The next prime is 7157999. The reversal of 7157996 is 6997517.

It is not an unprimeable number, because it can be changed into a prime (7157999) 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 as a sum of consecutive naturals, namely, 894746 + ... + 894753.

It is an arithmetic number, because the mean of its divisors is an integer number (2087750).

Almost surely, 2^7157996 is an apocalyptic number.

It is an amenable number.

7157996 is a deficient number, since it is larger than the sum of its proper divisors (5368504).

7157996 is a wasteful number, since it uses less digits than its factorization.

7157996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789503 (or 1789501 counting only the distinct ones).

The product of its digits is 119070, while the sum is 44.

The square root of 7157996 is about 2675.4431408647. The cubic root of 7157996 is about 192.7216404764.

The spelling of 7157996 in words is "seven million, one hundred fifty-seven thousand, nine hundred ninety-six".