77460128 has 24 divisors (see below), whose sum is σ = 152736192. Its totient is φ = 38670016.

The previous prime is 77460127. The next prime is 77460137. The reversal of 77460128 is 82106477.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (77460127) 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, 25001 + ... + 27927.

It is an arithmetic number, because the mean of its divisors is an integer number (6364008).

Almost surely, 2^77460128 is an apocalyptic number.

It is an amenable number.

77460128 is a deficient number, since it is larger than the sum of its proper divisors (75276064).

77460128 is a wasteful number, since it uses less digits than its factorization.

77460128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3764 (or 3756 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 77460128 is about 8801.1435620606. The cubic root of 77460128 is about 426.2778206430.

The spelling of 77460128 in words is "seventy-seven million, four hundred sixty thousand, one hundred twenty-eight".