77205934 has 16 divisors (see below), whose sum is σ = 128741760. Its totient is φ = 34483680.

The previous prime is 77205929. The next prime is 77205971. The reversal of 77205934 is 43950277.

It is a junction number, because it is equal to n+sod(n) for n = 77205893 and 77205902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47089 + ... + 48700.

It is an arithmetic number, because the mean of its divisors is an integer number (8046360).

Almost surely, 2^77205934 is an apocalyptic number.

77205934 is a deficient number, since it is larger than the sum of its proper divisors (51535826).

77205934 is a wasteful number, since it uses less digits than its factorization.

77205934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95835.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 77205934 is about 8786.6907308725. The cubic root of 77205934 is about 425.8110170005.

The spelling of 77205934 in words is "seventy-seven million, two hundred five thousand, nine hundred thirty-four".