77385674 has 8 divisors (see below), whose sum is σ = 116195268. Its totient is φ = 38653920.

The previous prime is 77385673. The next prime is 77385691. The reversal of 77385674 is 47658377.

It can be written as a sum of positive squares in 2 ways, for example, as 70442449 + 6943225 = 8393^2 + 2635^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (77385673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16907 + ... + 20990.

Almost surely, 2^77385674 is an apocalyptic number.

77385674 is a deficient number, since it is larger than the sum of its proper divisors (38809594).

77385674 is a wasteful number, since it uses less digits than its factorization.

77385674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38920.

The product of its digits is 987840, while the sum is 47.

The square root of 77385674 is about 8796.9127539154. The cubic root of 77385674 is about 426.1411986849.

The spelling of 77385674 in words is "seventy-seven million, three hundred eighty-five thousand, six hundred seventy-four".