77340165 has 32 divisors (see below), whose sum is σ = 148869120. Its totient is φ = 33493824.

The previous prime is 77340163. The next prime is 77340217. The reversal of 77340165 is 56104377.

It is not a de Polignac number, because 77340165 - 2¹ = 77340163 is a prime.

It is a super-2 number, since 2×77340165² = 11963002244454450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77340163) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 17389 + ... + 21378.

It is an arithmetic number, because the mean of its divisors is an integer number (4652160).

Almost surely, 2^77340165 is an apocalyptic number.

It is an amenable number.

77340165 is a deficient number, since it is larger than the sum of its proper divisors (71528955).

77340165 is a wasteful number, since it uses less digits than its factorization.

77340165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38801.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 77340165 is about 8794.3257274222. The cubic root of 77340165 is about 426.0576472054.

The spelling of 77340165 in words is "seventy-seven million, three hundred forty thousand, one hundred sixty-five".