77364730 has 8 divisors (see below), whose sum is σ = 139256532. Its totient is φ = 30945888.

The previous prime is 77364719. The next prime is 77364731. The reversal of 77364730 is 3746377.

It can be written as a sum of positive squares in 2 ways, for example, as 74632321 + 2732409 = 8639^2 + 1653^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 77364730.

It is not an unprimeable number, because it can be changed into a prime (77364731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3868227 + ... + 3868246.

Almost surely, 2^77364730 is an apocalyptic number.

77364730 is a deficient number, since it is larger than the sum of its proper divisors (61891802).

77364730 is a wasteful number, since it uses less digits than its factorization.

77364730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7736480.

The product of its (nonzero) digits is 74088, while the sum is 37.

The square root of 77364730 is about 8795.7222557332. The cubic root of 77364730 is about 426.1027509718.

The spelling of 77364730 in words is "seventy-seven million, three hundred sixty-four thousand, seven hundred thirty".