77345234 has 8 divisors (see below), whose sum is σ = 116055180. Its totient is φ = 38660176.

The previous prime is 77345231. The next prime is 77345239. The reversal of 77345234 is 43254377.

It can be written as a sum of positive squares in 2 ways, for example, as 51079609 + 26265625 = 7147^2 + 5125^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 77345194 and 77345203.

It is not an unprimeable number, because it can be changed into a prime (77345231) 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, 8912 + ... + 15300.

Almost surely, 2^77345234 is an apocalyptic number.

77345234 is a deficient number, since it is larger than the sum of its proper divisors (38709946).

77345234 is a wasteful number, since it uses less digits than its factorization.

77345234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12444.

The product of its digits is 70560, while the sum is 35.

The square root of 77345234 is about 8794.6139198944. The cubic root of 77345234 is about 426.0669551721.

The spelling of 77345234 in words is "seventy-seven million, three hundred forty-five thousand, two hundred thirty-four".