77630343 has 16 divisors (see below), whose sum is σ = 121180416. Its totient is φ = 43277760.

The previous prime is 77630327. The next prime is 77630363. The reversal of 77630343 is 34303677.

It is not a de Polignac number, because 77630343 - 2⁴ = 77630327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77630363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44221 + ... + 45942.

It is an arithmetic number, because the mean of its divisors is an integer number (7573776).

Almost surely, 2^77630343 is an apocalyptic number.

77630343 is a deficient number, since it is larger than the sum of its proper divisors (43550073).

77630343 is a wasteful number, since it uses less digits than its factorization.

77630343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90214.

The product of its (nonzero) digits is 31752, while the sum is 33.

The square root of 77630343 is about 8810.8083057118. The cubic root of 77630343 is about 426.5898340519.

The spelling of 77630343 in words is "seventy-seven million, six hundred thirty thousand, three hundred forty-three".