77345703 has 12 divisors (see below), whose sum is σ = 111892248. Its totient is φ = 51485040.

The previous prime is 77345689. The next prime is 77345707. The reversal of 77345703 is 30754377.

77345703 is a nontrivial binomial coefficient, being equal to C(12438, 2).

It is not a de Polignac number, because 77345703 - 2²⁰ = 76297127 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77345707) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1 + ... + 12437.

It is an arithmetic number, because the mean of its divisors is an integer number (9324354).

Almost surely, 2^77345703 is an apocalyptic number.

77345703 is the 12437-th triangular number and also the 6219-th hexagonal number.

77345703 is a deficient number, since it is larger than the sum of its proper divisors (34546545).

77345703 is a wasteful number, since it uses less digits than its factorization.

77345703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13134 (or 13131 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 36.

The square root of 77345703 is about 8794.6405839011. The cubic root of 77345703 is about 426.0678163542.

The spelling of 77345703 in words is "seventy-seven million, three hundred forty-five thousand, seven hundred three".