7750066 has 8 divisors (see below), whose sum is σ = 11908764. Its totient is φ = 3780480.

The previous prime is 7750051. The next prime is 7750069. The reversal of 7750066 is 6600577.

It can be written as a sum of positive squares in 2 ways, for example, as 7722841 + 27225 = 2779^2 + 165^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (7750069) 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, 47175 + ... + 47338.

Almost surely, 2^7750066 is an apocalyptic number.

7750066 is a deficient number, since it is larger than the sum of its proper divisors (4158698).

7750066 is a wasteful number, since it uses less digits than its factorization.

7750066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94556.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 7750066 is about 2783.8940353397. The cubic root of 7750066 is about 197.8951422477.

The spelling of 7750066 in words is "seven million, seven hundred fifty thousand, sixty-six".