77749106 has 8 divisors (see below), whose sum is σ = 116688000. Its totient is φ = 38853108.

The previous prime is 77749103. The next prime is 77749129. The reversal of 77749106 is 60194777.

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 (77749103) 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 in 3 ways as a sum of consecutive naturals, for example, 5726 + ... + 13721.

It is an arithmetic number, because the mean of its divisors is an integer number (14586000).

Almost surely, 2^77749106 is an apocalyptic number.

77749106 is a deficient number, since it is larger than the sum of its proper divisors (38938894).

77749106 is a wasteful number, since it uses less digits than its factorization.

77749106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21448.

The product of its (nonzero) digits is 74088, while the sum is 41.

The square root of 77749106 is about 8817.5453500393. The cubic root of 77749106 is about 426.8072630998.

The spelling of 77749106 in words is "seventy-seven million, seven hundred forty-nine thousand, one hundred six".