77346403 has 4 divisors (see below), whose sum is σ = 77654808. Its totient is φ = 77038000.

The previous prime is 77346389. The next prime is 77346407. The reversal of 77346403 is 30464377.

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

It is a cyclic number.

It is not a de Polignac number, because 77346403 - 2⁵ = 77346371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77346407) 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 in 3 ways as a sum of consecutive naturals, for example, 153826 + ... + 154327.

It is an arithmetic number, because the mean of its divisors is an integer number (19413702).

Almost surely, 2^77346403 is an apocalyptic number.

77346403 is a deficient number, since it is larger than the sum of its proper divisors (308405).

77346403 is a wasteful number, since it uses less digits than its factorization.

77346403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308404.

The product of its (nonzero) digits is 42336, while the sum is 34.

The square root of 77346403 is about 8794.6803807756. The cubic root of 77346403 is about 426.0691016942.

The spelling of 77346403 in words is "seventy-seven million, three hundred forty-six thousand, four hundred three".