77065074 has 32 divisors (see below), whose sum is σ = 174493440. Its totient is φ = 25202736.

The previous prime is 77065057. The next prime is 77065081. The reversal of 77065074 is 47056077.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10602 + ... + 16325.

It is an arithmetic number, because the mean of its divisors is an integer number (5452920).

Almost surely, 2^77065074 is an apocalyptic number.

77065074 is an abundant number, since it is smaller than the sum of its proper divisors (97428366).

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

77065074 is a wasteful number, since it uses less digits than its factorization.

77065074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26991 (or 26985 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The square root of 77065074 is about 8778.6715395896. The cubic root of 77065074 is about 425.5518993789.

The spelling of 77065074 in words is "seventy-seven million, sixty-five thousand, seventy-four".