7749135606 has 8 divisors (see below), whose sum is σ = 15498271224. Its totient is φ = 2583045200.

The previous prime is 7749135599. The next prime is 7749135607. The reversal of 7749135606 is 6065319477.

It is a happy number.

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

7749135606 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7749135607) 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, 645761295 + ... + 645761306.

It is an arithmetic number, because the mean of its divisors is an integer number (1937283903).

Almost surely, 2^7749135606 is an apocalyptic number.

7749135606 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7749135606 is a wasteful number, since it uses less digits than its factorization.

7749135606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291522606.

The product of its (nonzero) digits is 952560, while the sum is 48.

The square root of 7749135606 is about 88029.1747433770. The cubic root of 7749135606 is about 1978.8722283894.

The spelling of 7749135606 in words is "seven billion, seven hundred forty-nine million, one hundred thirty-five thousand, six hundred six".