77749010 has 16 divisors (see below), whose sum is σ = 140533272. Its totient is φ = 30969600.

The previous prime is 77748977. The next prime is 77749027. The reversal of 77749010 is 1094777.

It can be written as a sum of positive squares in 4 ways, for example, as 55100929 + 22648081 = 7423^2 + 4759^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13721 + ... + 18540.

Almost surely, 2^77749010 is an apocalyptic number.

77749010 is a deficient number, since it is larger than the sum of its proper divisors (62784262).

77749010 is a wasteful number, since it uses less digits than its factorization.

77749010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32509.

The product of its (nonzero) digits is 12348, while the sum is 35.

The square root of 77749010 is about 8817.5399063458. The cubic root of 77749010 is about 426.8070874343.

The spelling of 77749010 in words is "seventy-seven million, seven hundred forty-nine thousand, ten".