30777049 has 4 divisors (see below), whose sum is σ = 30894336. Its totient is φ = 30659764.

The previous prime is 30777041. The next prime is 30777067. The reversal of 30777049 is 94077703.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30777049 - 2³ = 30777041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30776999 and 30777017.

It is not an unprimeable number, because it can be changed into a prime (30777041) 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, 58249 + ... + 58774.

It is an arithmetic number, because the mean of its divisors is an integer number (7723584).

Almost surely, 2^30777049 is an apocalyptic number.

It is an amenable number.

30777049 is a deficient number, since it is larger than the sum of its proper divisors (117287).

30777049 is a wasteful number, since it uses less digits than its factorization.

30777049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117286.

The product of its (nonzero) digits is 37044, while the sum is 37.

The square root of 30777049 is about 5547.7066432896. The cubic root of 30777049 is about 313.3831623133.

The spelling of 30777049 in words is "thirty million, seven hundred seventy-seven thousand, forty-nine".