7749996 has 12 divisors (see below), whose sum is σ = 18083352. Its totient is φ = 2583328.

The previous prime is 7749961. The next prime is 7749997. The reversal of 7749996 is 6999477.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7749997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322905 + ... + 322928.

It is an arithmetic number, because the mean of its divisors is an integer number (1506946).

Almost surely, 2^7749996 is an apocalyptic number.

It is an amenable number.

7749996 is an abundant number, since it is smaller than the sum of its proper divisors (10333356).

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

7749996 is a wasteful number, since it uses less digits than its factorization.

7749996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645840 (or 645838 counting only the distinct ones).

The product of its digits is 857304, while the sum is 51.

The square root of 7749996 is about 2783.8814629937. The cubic root of 7749996 is about 197.8945464376.

The spelling of 7749996 in words is "seven million, seven hundred forty-nine thousand, nine hundred ninety-six".