7700993 has 4 divisors (see below), whose sum is σ = 7706580. Its totient is φ = 7695408.

The previous prime is 7700977. The next prime is 7701011. The reversal of 7700993 is 3990077.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2534464 + 5166529 = 1592^2 + 2273^2 .

It is a cyclic number.

It is not a de Polignac number, because 7700993 - 2⁴ = 7700977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7700923) 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, 923 + ... + 4031.

It is an arithmetic number, because the mean of its divisors is an integer number (1926645).

Almost surely, 2^7700993 is an apocalyptic number.

It is an amenable number.

7700993 is a deficient number, since it is larger than the sum of its proper divisors (5587).

7700993 is a wasteful number, since it uses less digits than its factorization.

7700993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5586.

The product of its (nonzero) digits is 11907, while the sum is 35.

The square root of 7700993 is about 2775.0663055142. The cubic root of 7700993 is about 197.4765704194.

The spelling of 7700993 in words is "seven million, seven hundred thousand, nine hundred ninety-three".