77345049 has 8 divisors (see below), whose sum is σ = 103570272. Its totient is φ = 51341600.

The previous prime is 77345041. The next prime is 77345063. The reversal of 77345049 is 94054377.

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

It is a cyclic number.

It is not a de Polignac number, because 77345049 - 2³ = 77345041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77344998 and 77345016.

It is not an unprimeable number, because it can be changed into a prime (77345041) 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 7 ways as a sum of consecutive naturals, for example, 54627 + ... + 56024.

It is an arithmetic number, because the mean of its divisors is an integer number (12946284).

Almost surely, 2^77345049 is an apocalyptic number.

It is an amenable number.

77345049 is a deficient number, since it is larger than the sum of its proper divisors (26225223).

77345049 is a wasteful number, since it uses less digits than its factorization.

77345049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110887.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 77345049 is about 8794.6034020870. The cubic root of 77345049 is about 426.0666154724.

The spelling of 77345049 in words is "seventy-seven million, three hundred forty-five thousand, forty-nine".