77336738 has 8 divisors (see below), whose sum is σ = 116424732. Its totient is φ = 38528496.

The previous prime is 77336737. The next prime is 77336759. The reversal of 77336738 is 83763377.

It can be written as a sum of positive squares in 2 ways, for example, as 75047569 + 2289169 = 8663^2 + 1513^2 .

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 (77336731) 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, 69245 + ... + 70352.

Almost surely, 2^77336738 is an apocalyptic number.

77336738 is a deficient number, since it is larger than the sum of its proper divisors (39087994).

77336738 is a wasteful number, since it uses less digits than its factorization.

77336738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139876.

The product of its digits is 444528, while the sum is 44.

The square root of 77336738 is about 8794.1308837201. The cubic root of 77336738 is about 426.0513541358.

The spelling of 77336738 in words is "seventy-seven million, three hundred thirty-six thousand, seven hundred thirty-eight".