77284134 has 24 divisors (see below), whose sum is σ = 176262840. Its totient is φ = 24405408.

The previous prime is 77284111. The next prime is 77284169. The reversal of 77284134 is 43148277.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112647 + ... + 113330.

It is an arithmetic number, because the mean of its divisors is an integer number (7344285).

Almost surely, 2^77284134 is an apocalyptic number.

77284134 is an abundant number, since it is smaller than the sum of its proper divisors (98978706).

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

77284134 is a wasteful number, since it uses less digits than its factorization.

77284134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226004 (or 226001 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 77284134 is about 8791.1395165815. The cubic root of 77284134 is about 425.9547330066.

The spelling of 77284134 in words is "seventy-seven million, two hundred eighty-four thousand, one hundred thirty-four".