77336474 has 4 divisors (see below), whose sum is σ = 116004714. Its totient is φ = 38668236.

The previous prime is 77336447. The next prime is 77336477. The reversal of 77336474 is 47463377.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 60730849 + 16605625 = 7793^2 + 4075^2 .

It is not an unprimeable number, because it can be changed into a prime (77336477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19334117 + ... + 19334120.

Almost surely, 2^77336474 is an apocalyptic number.

77336474 is a deficient number, since it is larger than the sum of its proper divisors (38668240).

77336474 is a wasteful number, since it uses less digits than its factorization.

77336474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38668239.

The product of its digits is 296352, while the sum is 41.

The square root of 77336474 is about 8794.1158736965. The cubic root of 77336474 is about 426.0508693396.

The spelling of 77336474 in words is "seventy-seven million, three hundred thirty-six thousand, four hundred seventy-four".